81382412720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{983}}^1$

素因数の和:1304

約数の個数: 320

約数和(自身を含む): 236144885760

約数和(自身を除く): 154762473040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 251, 266, 280, 304, 310, 380, 434, 496, 502, 532, 560, 589, 620, 665, 760, 868, 983, 1004, 1064, 1085, 1178, 1240, 1255, 1330, 1520, 1736, 1757, 1966, 2008, 2128, 2170, 2356, 2480, 2510, 2660, 2945, 3472, 3514, 3932, 4016, 4123, 4340, 4712, 4769, 4915, 5020, 5320, 5890, 6881, 7028, 7781, 7864, 8246, 8680, 8785, 9424, 9538, 9830, 10040, 10640, 11780, 13762, 14056, 15562, 15728, 16492, 17360, 17570, 18677, 19076, 19660, 20080, 20615, 23560, 23845, 27524, 28112, 30473, 31124, 32984, 33383, 34405, 35140, 37354, 38152, 38905, 39320, 41230, 47120, 47690, 54467, 55048, 60946, 62248, 65968, 66766, 68810, 70280, 74708, 76304, 77810, 78640, 82460, 93385, 95380, 108934, 110096, 121892, 124496, 130739, 133532, 137620, 140560, 147839, 149416, 152365, 155620, 164920, 166915, 186770, 190760, 213311, 217868, 243784, 246733, 261478, 267064, 272335, 275240, 295678, 298832, 304730, 311240, 329840, 333830, 373540, 381520, 426622, 435736, 487568, 493466, 522956, 534128, 544670, 550480, 578987, 591356, 609460, 622480, 653695, 667660, 739195, 747080, 853244, 871472, 986932, 1034873, 1045912, 1066555, 1089340, 1157974, 1182712, 1218920, 1233665, 1307390, 1335320, 1478390, 1494160, 1706488, 1727131, 1973864, 2069746, 2091824, 2133110, 2178680, 2315948, 2365424, 2437840, 2467330, 2614780, 2670640, 2894935, 2956780, 3412976, 3454262, 3947728, 4052909, 4139492, 4266220, 4357360, 4631896, 4687927, 4934660, 5174365, 5229560, 5789870, 5913560, 6908524, 7648723, 8105818, 8278984, 8532440, 8635655, 9263792, 9375854, 9869320, 10348730, 10459120, 11579740, 11827120, 13817048, 15297446, 16211636, 16557968, 17064880, 17271310, 18751708, 19738640, 20264545, 20697460, 23159480, 23439635, 27634096, 30594892, 32423272, 32815489, 34542620, 37503416, 38243615, 40529090, 41394920, 46318960, 46879270, 53541061, 61189784, 64846544, 65630978, 69085240, 75006832, 76487230, 81058180, 82789840, 93758540, 107082122, 122379568, 131261956, 138170480, 145325737, 152974460, 162116360, 164077445, 187517080, 214164244, 262523912, 267705305, 290651474, 305948920, 324232720, 328154890, 375034160, 428328488, 525047824, 535410610, 581302948, 611897840, 656309780, 726628685, 856656976, 1017280159, 1070821220, 1162605896, 1312619560, 1453257370, 2034560318, 2141642440, 2325211792, 2625239120, 2906514740, 4069120636, 4283284880, 5086400795, 5813029480, 8138241272, 10172801590, 11626058960, 16276482544, 20345603180, 40691206360, 81382412720]

約数ペア:

[(1, 81382412720), (2, 40691206360), (4, 20345603180), (5, 16276482544), (7, 11626058960), (8, 10172801590), (10, 8138241272), (14, 5813029480), (16, 5086400795), (19, 4283284880), (20, 4069120636), (28, 2906514740), (31, 2625239120), (35, 2325211792), (38, 2141642440), (40, 2034560318), (56, 1453257370), (62, 1312619560), (70, 1162605896), (76, 1070821220), (80, 1017280159), (95, 856656976), (112, 726628685), (124, 656309780), (133, 611897840), (140, 581302948), (152, 535410610), (155, 525047824), (190, 428328488), (217, 375034160), (248, 328154890), (251, 324232720), (266, 305948920), (280, 290651474), (304, 267705305), (310, 262523912), (380, 214164244), (434, 187517080), (496, 164077445), (502, 162116360), (532, 152974460), (560, 145325737), (589, 138170480), (620, 131261956), (665, 122379568), (760, 107082122), (868, 93758540), (983, 82789840), (1004, 81058180), (1064, 76487230), (1085, 75006832), (1178, 69085240), (1240, 65630978), (1255, 64846544), (1330, 61189784), (1520, 53541061), (1736, 46879270), (1757, 46318960), (1966, 41394920), (2008, 40529090), (2128, 38243615), (2170, 37503416), (2356, 34542620), (2480, 32815489), (2510, 32423272), (2660, 30594892), (2945, 27634096), (3472, 23439635), (3514, 23159480), (3932, 20697460), (4016, 20264545), (4123, 19738640), (4340, 18751708), (4712, 17271310), (4769, 17064880), (4915, 16557968), (5020, 16211636), (5320, 15297446), (5890, 13817048), (6881, 11827120), (7028, 11579740), (7781, 10459120), (7864, 10348730), (8246, 9869320), (8680, 9375854), (8785, 9263792), (9424, 8635655), (9538, 8532440), (9830, 8278984), (10040, 8105818), (10640, 7648723), (11780, 6908524), (13762, 5913560), (14056, 5789870), (15562, 5229560), (15728, 5174365), (16492, 4934660), (17360, 4687927), (17570, 4631896), (18677, 4357360), (19076, 4266220), (19660, 4139492), (20080, 4052909), (20615, 3947728), (23560, 3454262), (23845, 3412976), (27524, 2956780), (28112, 2894935), (30473, 2670640), (31124, 2614780), (32984, 2467330), (33383, 2437840), (34405, 2365424), (35140, 2315948), (37354, 2178680), (38152, 2133110), (38905, 2091824), (39320, 2069746), (41230, 1973864), (47120, 1727131), (47690, 1706488), (54467, 1494160), (55048, 1478390), (60946, 1335320), (62248, 1307390), (65968, 1233665), (66766, 1218920), (68810, 1182712), (70280, 1157974), (74708, 1089340), (76304, 1066555), (77810, 1045912), (78640, 1034873), (82460, 986932), (93385, 871472), (95380, 853244), (108934, 747080), (110096, 739195), (121892, 667660), (124496, 653695), (130739, 622480), (133532, 609460), (137620, 591356), (140560, 578987), (147839, 550480), (149416, 544670), (152365, 534128), (155620, 522956), (164920, 493466), (166915, 487568), (186770, 435736), (190760, 426622), (213311, 381520), (217868, 373540), (243784, 333830), (246733, 329840), (261478, 311240), (267064, 304730), (272335, 298832), (275240, 295678)]