156908178320

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1787}}^1\times {\mathrm{10867}}^1$

素因数の和:12768

約数の個数: 80

約数和(自身を含む): 368663600448

約数和(自身を除く): 211755422128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 1787, 2020, 3574, 4040, 7148, 8080, 8935, 10867, 14296, 17870, 21734, 28592, 35740, 43468, 54335, 71480, 86936, 108670, 142960, 173872, 180487, 217340, 360974, 434680, 721948, 869360, 902435, 1097567, 1443896, 1804870, 2195134, 2887792, 3609740, 4390268, 5487835, 7219480, 8780536, 10975670, 14438960, 17561072, 19419329, 21951340, 38838658, 43902680, 77677316, 87805360, 97096645, 155354632, 194193290, 310709264, 388386580, 776773160, 1553546320, 1961352229, 3922704458, 7845408916, 9806761145, 15690817832, 19613522290, 31381635664, 39227044580, 78454089160, 156908178320]

約数ペア:

[(1, 156908178320), (2, 78454089160), (4, 39227044580), (5, 31381635664), (8, 19613522290), (10, 15690817832), (16, 9806761145), (20, 7845408916), (40, 3922704458), (80, 1961352229), (101, 1553546320), (202, 776773160), (404, 388386580), (505, 310709264), (808, 194193290), (1010, 155354632), (1616, 97096645), (1787, 87805360), (2020, 77677316), (3574, 43902680), (4040, 38838658), (7148, 21951340), (8080, 19419329), (8935, 17561072), (10867, 14438960), (14296, 10975670), (17870, 8780536), (21734, 7219480), (28592, 5487835), (35740, 4390268), (43468, 3609740), (54335, 2887792), (71480, 2195134), (86936, 1804870), (108670, 1443896), (142960, 1097567), (173872, 902435), (180487, 869360), (217340, 721948), (360974, 434680)]