20147987520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2659}}^1$

素因数の和:3562

約数の個数: 224

約数和(自身を含む): 71185430400

約数和(自身を除く): 51037442880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 877, 960, 1080, 1440, 1728, 1754, 2160, 2631, 2659, 2880, 3508, 4320, 4385, 5262, 5318, 7016, 7893, 7977, 8640, 8770, 10524, 10636, 13155, 13295, 14032, 15786, 15954, 17540, 21048, 21272, 23679, 23931, 26310, 26590, 28064, 31572, 31908, 35080, 39465, 39885, 42096, 42544, 47358, 47862, 52620, 53180, 56128, 63144, 63816, 70160, 71793, 78930, 79770, 84192, 85088, 94716, 95724, 105240, 106360, 118395, 119655, 126288, 127632, 140320, 143586, 157860, 159540, 168384, 170176, 189432, 191448, 210480, 212720, 236790, 239310, 252576, 255264, 280640, 287172, 315720, 319080, 358965, 378864, 382896, 420960, 425440, 473580, 478620, 505152, 510528, 574344, 631440, 638160, 717930, 757728, 765792, 841920, 850880, 947160, 957240, 1148688, 1262880, 1276320, 1435860, 1515456, 1531584, 1894320, 1914480, 2297376, 2331943, 2525760, 2552640, 2871720, 3788640, 3828960, 4594752, 4663886, 5743440, 6995829, 7577280, 7657920, 9327772, 11486880, 11659715, 13991658, 18655544, 20987487, 22973760, 23319430, 27983316, 34979145, 37311088, 41974974, 46638860, 55966632, 62962461, 69958290, 74622176, 83949948, 93277720, 104937435, 111933264, 125924922, 139916580, 149244352, 167899896, 186555440, 209874870, 223866528, 251849844, 279833160, 314812305, 335799792, 373110880, 419749740, 447733056, 503699688, 559666320, 629624610, 671599584, 746221760, 839499480, 1007399376, 1119332640, 1259249220, 1343199168, 1678998960, 2014798752, 2238665280, 2518498440, 3357997920, 4029597504, 5036996880, 6715995840, 10073993760, 20147987520]

約数ペア:

[(1, 20147987520), (2, 10073993760), (3, 6715995840), (4, 5036996880), (5, 4029597504), (6, 3357997920), (8, 2518498440), (9, 2238665280), (10, 2014798752), (12, 1678998960), (15, 1343199168), (16, 1259249220), (18, 1119332640), (20, 1007399376), (24, 839499480), (27, 746221760), (30, 671599584), (32, 629624610), (36, 559666320), (40, 503699688), (45, 447733056), (48, 419749740), (54, 373110880), (60, 335799792), (64, 314812305), (72, 279833160), (80, 251849844), (90, 223866528), (96, 209874870), (108, 186555440), (120, 167899896), (135, 149244352), (144, 139916580), (160, 125924922), (180, 111933264), (192, 104937435), (216, 93277720), (240, 83949948), (270, 74622176), (288, 69958290), (320, 62962461), (360, 55966632), (432, 46638860), (480, 41974974), (540, 37311088), (576, 34979145), (720, 27983316), (864, 23319430), (877, 22973760), (960, 20987487), (1080, 18655544), (1440, 13991658), (1728, 11659715), (1754, 11486880), (2160, 9327772), (2631, 7657920), (2659, 7577280), (2880, 6995829), (3508, 5743440), (4320, 4663886), (4385, 4594752), (5262, 3828960), (5318, 3788640), (7016, 2871720), (7893, 2552640), (7977, 2525760), (8640, 2331943), (8770, 2297376), (10524, 1914480), (10636, 1894320), (13155, 1531584), (13295, 1515456), (14032, 1435860), (15786, 1276320), (15954, 1262880), (17540, 1148688), (21048, 957240), (21272, 947160), (23679, 850880), (23931, 841920), (26310, 765792), (26590, 757728), (28064, 717930), (31572, 638160), (31908, 631440), (35080, 574344), (39465, 510528), (39885, 505152), (42096, 478620), (42544, 473580), (47358, 425440), (47862, 420960), (52620, 382896), (53180, 378864), (56128, 358965), (63144, 319080), (63816, 315720), (70160, 287172), (71793, 280640), (78930, 255264), (79770, 252576), (84192, 239310), (85088, 236790), (94716, 212720), (95724, 210480), (105240, 191448), (106360, 189432), (118395, 170176), (119655, 168384), (126288, 159540), (127632, 157860), (140320, 143586)]