21153890160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6997}}^1$

素因数の和:7065

約数の個数: 480

約数和(自身を含む): 85282666560

約数和(自身を除く): 64128776400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 24, 26, 30, 34, 36, 38, 39, 40, 45, 48, 51, 52, 57, 60, 65, 68, 72, 76, 78, 80, 85, 90, 95, 102, 104, 114, 117, 120, 130, 136, 144, 152, 153, 156, 170, 171, 180, 190, 195, 204, 208, 221, 228, 234, 240, 247, 255, 260, 272, 285, 304, 306, 312, 323, 340, 342, 360, 380, 390, 408, 442, 456, 468, 494, 510, 520, 570, 585, 612, 624, 646, 663, 680, 684, 720, 741, 760, 765, 780, 816, 855, 884, 912, 936, 969, 988, 1020, 1040, 1105, 1140, 1170, 1224, 1235, 1292, 1326, 1360, 1368, 1482, 1520, 1530, 1560, 1615, 1710, 1768, 1872, 1938, 1976, 1989, 2040, 2210, 2223, 2280, 2340, 2448, 2470, 2584, 2652, 2736, 2907, 2964, 3060, 3120, 3230, 3315, 3420, 3536, 3705, 3876, 3952, 3978, 4080, 4199, 4420, 4446, 4560, 4680, 4845, 4940, 5168, 5304, 5814, 5928, 6120, 6460, 6630, 6840, 6997, 7410, 7752, 7956, 8398, 8840, 8892, 9360, 9690, 9880, 9945, 10608, 11115, 11628, 11856, 12240, 12597, 12920, 13260, 13680, 13994, 14535, 14820, 15504, 15912, 16796, 17680, 17784, 19380, 19760, 19890, 20991, 20995, 22230, 23256, 25194, 25840, 26520, 27988, 29070, 29640, 31824, 33592, 34985, 35568, 37791, 38760, 39780, 41982, 41990, 44460, 46512, 50388, 53040, 55976, 58140, 59280, 62973, 62985, 67184, 69970, 75582, 77520, 79560, 83964, 83980, 88920, 90961, 100776, 104955, 111952, 116280, 118949, 125946, 125970, 132943, 139940, 151164, 159120, 167928, 167960, 177840, 181922, 188955, 201552, 209910, 232560, 237898, 251892, 251940, 265886, 272883, 279880, 302328, 314865, 335856, 335920, 356847, 363844, 377910, 398829, 419820, 454805, 475796, 503784, 503880, 531772, 545766, 559760, 594745, 604656, 629730, 664715, 713694, 727688, 755820, 797658, 818649, 839640, 909610, 951592, 1007568, 1007760, 1063544, 1070541, 1091532, 1189490, 1196487, 1259460, 1329430, 1364415, 1427388, 1455376, 1511640, 1546337, 1595316, 1637298, 1679280, 1728259, 1784235, 1819220, 1903184, 1994145, 2127088, 2141082, 2183064, 2260031, 2378980, 2392974, 2518920, 2658860, 2728830, 2854776, 3023280, 3092674, 3190632, 3274596, 3456518, 3568470, 3638440, 3988290, 4093245, 4282164, 4366128, 4520062, 4639011, 4757960, 4785948, 5037840, 5184777, 5317720, 5352705, 5457660, 5709552, 5982435, 6185348, 6381264, 6549192, 6780093, 6913036, 7136940, 7276880, 7731685, 7976580, 8186490, 8564328, 8641295, 9040124, 9278022, 9515920, 9571896, 10369554, 10635440, 10705410, 10915320, 11300155, 11964870, 12370696, 13098384, 13560186, 13826072, 13917033, 14273880, 15463370, 15554331, 15953160, 16372980, 17128656, 17282590, 18080248, 18556044, 19143792, 20340279, 20739108, 21410820, 21830640, 22600310, 23195055, 23929740, 24741392, 25923885, 27120372, 27652144, 27834066, 28547760, 29380403, 30926740, 31108662, 31906320, 32745960, 33900465, 34565180, 36160496, 37112088, 40680558, 41478216, 42821640, 45200620, 46390110, 47859480, 51847770, 54240744, 55668132, 58760806, 61853480, 62217324, 65491920, 67800930, 69130360, 69585165, 74224176, 77771655, 81361116, 82956432, 85643280, 88141209, 90401240, 92780220, 95718960, 101701395, 103695540, 108481488, 111336264, 117521612, 123706960, 124434648, 135601860, 138260720, 139170330, 146902015, 155543310, 162722232, 176282418, 180802480, 185560440, 203402790, 207391080, 222672528, 235043224, 248869296, 264423627, 271203720, 278340660, 293804030, 311086620, 325444464, 352564836, 371120880, 406805580, 414782160, 440706045, 470086448, 528847254, 542407440, 556681320, 587608060, 622173240, 705129672, 813611160, 881412090, 1057694508, 1113362640, 1175216120, 1244346480, 1322118135, 1410259344, 1627222320, 1762824180, 2115389016, 2350432240, 2644236270, 3525648360, 4230778032, 5288472540, 7051296720, 10576945080, 21153890160]

約数ペア:

[(1, 21153890160), (2, 10576945080), (3, 7051296720), (4, 5288472540), (5, 4230778032), (6, 3525648360), (8, 2644236270), (9, 2350432240), (10, 2115389016), (12, 1762824180), (13, 1627222320), (15, 1410259344), (16, 1322118135), (17, 1244346480), (18, 1175216120), (19, 1113362640), (20, 1057694508), (24, 881412090), (26, 813611160), (30, 705129672), (34, 622173240), (36, 587608060), (38, 556681320), (39, 542407440), (40, 528847254), (45, 470086448), (48, 440706045), (51, 414782160), (52, 406805580), (57, 371120880), (60, 352564836), (65, 325444464), (68, 311086620), (72, 293804030), (76, 278340660), (78, 271203720), (80, 264423627), (85, 248869296), (90, 235043224), (95, 222672528), (102, 207391080), (104, 203402790), (114, 185560440), (117, 180802480), (120, 176282418), (130, 162722232), (136, 155543310), (144, 146902015), (152, 139170330), (153, 138260720), (156, 135601860), (170, 124434648), (171, 123706960), (180, 117521612), (190, 111336264), (195, 108481488), (204, 103695540), (208, 101701395), (221, 95718960), (228, 92780220), (234, 90401240), (240, 88141209), (247, 85643280), (255, 82956432), (260, 81361116), (272, 77771655), (285, 74224176), (304, 69585165), (306, 69130360), (312, 67800930), (323, 65491920), (340, 62217324), (342, 61853480), (360, 58760806), (380, 55668132), (390, 54240744), (408, 51847770), (442, 47859480), (456, 46390110), (468, 45200620), (494, 42821640), (510, 41478216), (520, 40680558), (570, 37112088), (585, 36160496), (612, 34565180), (624, 33900465), (646, 32745960), (663, 31906320), (680, 31108662), (684, 30926740), (720, 29380403), (741, 28547760), (760, 27834066), (765, 27652144), (780, 27120372), (816, 25923885), (855, 24741392), (884, 23929740), (912, 23195055), (936, 22600310), (969, 21830640), (988, 21410820), (1020, 20739108), (1040, 20340279), (1105, 19143792), (1140, 18556044), (1170, 18080248), (1224, 17282590), (1235, 17128656), (1292, 16372980), (1326, 15953160), (1360, 15554331), (1368, 15463370), (1482, 14273880), (1520, 13917033), (1530, 13826072), (1560, 13560186), (1615, 13098384), (1710, 12370696), (1768, 11964870), (1872, 11300155), (1938, 10915320), (1976, 10705410), (1989, 10635440), (2040, 10369554), (2210, 9571896), (2223, 9515920), (2280, 9278022), (2340, 9040124), (2448, 8641295), (2470, 8564328), (2584, 8186490), (2652, 7976580), (2736, 7731685), (2907, 7276880), (2964, 7136940), (3060, 6913036), (3120, 6780093), (3230, 6549192), (3315, 6381264), (3420, 6185348), (3536, 5982435), (3705, 5709552), (3876, 5457660), (3952, 5352705), (3978, 5317720), (4080, 5184777), (4199, 5037840), (4420, 4785948), (4446, 4757960), (4560, 4639011), (4680, 4520062), (4845, 4366128), (4940, 4282164), (5168, 4093245), (5304, 3988290), (5814, 3638440), (5928, 3568470), (6120, 3456518), (6460, 3274596), (6630, 3190632), (6840, 3092674), (6997, 3023280), (7410, 2854776), (7752, 2728830), (7956, 2658860), (8398, 2518920), (8840, 2392974), (8892, 2378980), (9360, 2260031), (9690, 2183064), (9880, 2141082), (9945, 2127088), (10608, 1994145), (11115, 1903184), (11628, 1819220), (11856, 1784235), (12240, 1728259), (12597, 1679280), (12920, 1637298), (13260, 1595316), (13680, 1546337), (13994, 1511640), (14535, 1455376), (14820, 1427388), (15504, 1364415), (15912, 1329430), (16796, 1259460), (17680, 1196487), (17784, 1189490), (19380, 1091532), (19760, 1070541), (19890, 1063544), (20991, 1007760), (20995, 1007568), (22230, 951592), (23256, 909610), (25194, 839640), (25840, 818649), (26520, 797658), (27988, 755820), (29070, 727688), (29640, 713694), (31824, 664715), (33592, 629730), (34985, 604656), (35568, 594745), (37791, 559760), (38760, 545766), (39780, 531772), (41982, 503880), (41990, 503784), (44460, 475796), (46512, 454805), (50388, 419820), (53040, 398829), (55976, 377910), (58140, 363844), (59280, 356847), (62973, 335920), (62985, 335856), (67184, 314865), (69970, 302328), (75582, 279880), (77520, 272883), (79560, 265886), (83964, 251940), (83980, 251892), (88920, 237898), (90961, 232560), (100776, 209910), (104955, 201552), (111952, 188955), (116280, 181922), (118949, 177840), (125946, 167960), (125970, 167928), (132943, 159120), (139940, 151164)]