20921311080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1445

約数の個数: 384

約数和(自身を含む): 74057911200

約数和(自身を除く): 53136600120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 37, 40, 41, 45, 58, 60, 72, 74, 82, 87, 90, 111, 116, 120, 123, 145, 148, 164, 174, 180, 185, 205, 222, 232, 246, 261, 290, 296, 328, 333, 348, 360, 369, 370, 410, 435, 444, 492, 522, 555, 580, 615, 666, 696, 738, 740, 820, 870, 888, 984, 1044, 1073, 1110, 1160, 1189, 1230, 1305, 1321, 1332, 1476, 1480, 1517, 1640, 1665, 1740, 1845, 2088, 2146, 2220, 2378, 2460, 2610, 2642, 2664, 2952, 3034, 3219, 3330, 3480, 3567, 3690, 3963, 4292, 4440, 4551, 4756, 4920, 5220, 5284, 5365, 5945, 6068, 6438, 6605, 6660, 7134, 7380, 7585, 7926, 8584, 9102, 9512, 9657, 10440, 10568, 10701, 10730, 11889, 11890, 12136, 12876, 13210, 13320, 13653, 14268, 14760, 15170, 15852, 16095, 17835, 18204, 19314, 19815, 21402, 21460, 22755, 23778, 23780, 25752, 26420, 27306, 28536, 30340, 31704, 32190, 35670, 36408, 38309, 38628, 39630, 42804, 42920, 43993, 45510, 47556, 47560, 48285, 48877, 52840, 53505, 54161, 54612, 59445, 60680, 64380, 68265, 71340, 76618, 77256, 79260, 85608, 87986, 91020, 95112, 96570, 97754, 107010, 108322, 109224, 114927, 118890, 128760, 131979, 136530, 142680, 146631, 153236, 158520, 162483, 175972, 182040, 191545, 193140, 195508, 214020, 216644, 219965, 229854, 237780, 244385, 263958, 270805, 273060, 293262, 306472, 324966, 344781, 351944, 383090, 386280, 391016, 395937, 428040, 433288, 439893, 439930, 459708, 475560, 487449, 488770, 527916, 541610, 546120, 574635, 586524, 649932, 659895, 689562, 733155, 766180, 791874, 812415, 879786, 879860, 919416, 974898, 977540, 1055832, 1083220, 1149270, 1173048, 1299864, 1319790, 1379124, 1417433, 1466310, 1532360, 1570669, 1583748, 1624830, 1723905, 1759572, 1759720, 1949796, 1955080, 1979685, 2003957, 2166440, 2199465, 2298540, 2437245, 2639580, 2758248, 2834866, 2932620, 3141338, 3167496, 3249660, 3447810, 3519144, 3899592, 3959370, 4007914, 4252299, 4398930, 4597080, 4712007, 4874490, 5279160, 5669732, 5865240, 6011871, 6282676, 6499320, 6895620, 7087165, 7853345, 7918740, 8015828, 8504598, 8797860, 9424014, 9748980, 10019785, 11339464, 12023742, 12565352, 12756897, 13791240, 14136021, 14174330, 15706690, 15837480, 16031656, 17009196, 17595720, 18035613, 18848028, 19497960, 20039570, 21261495, 23560035, 24047484, 25513794, 28272042, 28348660, 30059355, 31413380, 34018392, 36071226, 37696056, 40079140, 42522990, 47120070, 48094968, 51027588, 56544084, 56697320, 58114753, 60118710, 62826760, 63784485, 70680105, 72142452, 80158280, 85045980, 90178065, 94240140, 102055176, 113088168, 116229506, 120237420, 127568970, 141360210, 144284904, 170091960, 174344259, 180356130, 188480280, 232459012, 240474840, 255137940, 282720420, 290573765, 348688518, 360712260, 464918024, 510275880, 523032777, 565440840, 581147530, 697377036, 721424520, 871721295, 1046065554, 1162295060, 1394754072, 1743442590, 2092131108, 2324590120, 2615163885, 3486885180, 4184262216, 5230327770, 6973770360, 10460655540, 20921311080]

約数ペア:

[(1, 20921311080), (2, 10460655540), (3, 6973770360), (4, 5230327770), (5, 4184262216), (6, 3486885180), (8, 2615163885), (9, 2324590120), (10, 2092131108), (12, 1743442590), (15, 1394754072), (18, 1162295060), (20, 1046065554), (24, 871721295), (29, 721424520), (30, 697377036), (36, 581147530), (37, 565440840), (40, 523032777), (41, 510275880), (45, 464918024), (58, 360712260), (60, 348688518), (72, 290573765), (74, 282720420), (82, 255137940), (87, 240474840), (90, 232459012), (111, 188480280), (116, 180356130), (120, 174344259), (123, 170091960), (145, 144284904), (148, 141360210), (164, 127568970), (174, 120237420), (180, 116229506), (185, 113088168), (205, 102055176), (222, 94240140), (232, 90178065), (246, 85045980), (261, 80158280), (290, 72142452), (296, 70680105), (328, 63784485), (333, 62826760), (348, 60118710), (360, 58114753), (369, 56697320), (370, 56544084), (410, 51027588), (435, 48094968), (444, 47120070), (492, 42522990), (522, 40079140), (555, 37696056), (580, 36071226), (615, 34018392), (666, 31413380), (696, 30059355), (738, 28348660), (740, 28272042), (820, 25513794), (870, 24047484), (888, 23560035), (984, 21261495), (1044, 20039570), (1073, 19497960), (1110, 18848028), (1160, 18035613), (1189, 17595720), (1230, 17009196), (1305, 16031656), (1321, 15837480), (1332, 15706690), (1476, 14174330), (1480, 14136021), (1517, 13791240), (1640, 12756897), (1665, 12565352), (1740, 12023742), (1845, 11339464), (2088, 10019785), (2146, 9748980), (2220, 9424014), (2378, 8797860), (2460, 8504598), (2610, 8015828), (2642, 7918740), (2664, 7853345), (2952, 7087165), (3034, 6895620), (3219, 6499320), (3330, 6282676), (3480, 6011871), (3567, 5865240), (3690, 5669732), (3963, 5279160), (4292, 4874490), (4440, 4712007), (4551, 4597080), (4756, 4398930), (4920, 4252299), (5220, 4007914), (5284, 3959370), (5365, 3899592), (5945, 3519144), (6068, 3447810), (6438, 3249660), (6605, 3167496), (6660, 3141338), (7134, 2932620), (7380, 2834866), (7585, 2758248), (7926, 2639580), (8584, 2437245), (9102, 2298540), (9512, 2199465), (9657, 2166440), (10440, 2003957), (10568, 1979685), (10701, 1955080), (10730, 1949796), (11889, 1759720), (11890, 1759572), (12136, 1723905), (12876, 1624830), (13210, 1583748), (13320, 1570669), (13653, 1532360), (14268, 1466310), (14760, 1417433), (15170, 1379124), (15852, 1319790), (16095, 1299864), (17835, 1173048), (18204, 1149270), (19314, 1083220), (19815, 1055832), (21402, 977540), (21460, 974898), (22755, 919416), (23778, 879860), (23780, 879786), (25752, 812415), (26420, 791874), (27306, 766180), (28536, 733155), (30340, 689562), (31704, 659895), (32190, 649932), (35670, 586524), (36408, 574635), (38309, 546120), (38628, 541610), (39630, 527916), (42804, 488770), (42920, 487449), (43993, 475560), (45510, 459708), (47556, 439930), (47560, 439893), (48285, 433288), (48877, 428040), (52840, 395937), (53505, 391016), (54161, 386280), (54612, 383090), (59445, 351944), (60680, 344781), (64380, 324966), (68265, 306472), (71340, 293262), (76618, 273060), (77256, 270805), (79260, 263958), (85608, 244385), (87986, 237780), (91020, 229854), (95112, 219965), (96570, 216644), (97754, 214020), (107010, 195508), (108322, 193140), (109224, 191545), (114927, 182040), (118890, 175972), (128760, 162483), (131979, 158520), (136530, 153236), (142680, 146631)]