71726720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 190466640

約数和(自身を除く): 118739920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 233, 260, 296, 320, 370, 416, 466, 481, 520, 592, 640, 740, 832, 932, 962, 1040, 1165, 1184, 1480, 1664, 1864, 1924, 2080, 2330, 2368, 2405, 2960, 3029, 3728, 3848, 4160, 4660, 4736, 4810, 5920, 6058, 7456, 7696, 8320, 8621, 9320, 9620, 11840, 12116, 14912, 15145, 15392, 17242, 18640, 19240, 23680, 24232, 29824, 30290, 30784, 34484, 37280, 38480, 43105, 48464, 60580, 61568, 68968, 74560, 76960, 86210, 96928, 112073, 121160, 137936, 149120, 153920, 172420, 193856, 224146, 242320, 275872, 307840, 344840, 387712, 448292, 484640, 551744, 560365, 689680, 896584, 969280, 1103488, 1120730, 1379360, 1793168, 1938560, 2241460, 2758720, 3586336, 4482920, 5517440, 7172672, 8965840, 14345344, 17931680, 35863360, 71726720]

約数ペア:

[(1, 71726720), (2, 35863360), (4, 17931680), (5, 14345344), (8, 8965840), (10, 7172672), (13, 5517440), (16, 4482920), (20, 3586336), (26, 2758720), (32, 2241460), (37, 1938560), (40, 1793168), (52, 1379360), (64, 1120730), (65, 1103488), (74, 969280), (80, 896584), (104, 689680), (128, 560365), (130, 551744), (148, 484640), (160, 448292), (185, 387712), (208, 344840), (233, 307840), (260, 275872), (296, 242320), (320, 224146), (370, 193856), (416, 172420), (466, 153920), (481, 149120), (520, 137936), (592, 121160), (640, 112073), (740, 96928), (832, 86210), (932, 76960), (962, 74560), (1040, 68968), (1165, 61568), (1184, 60580), (1480, 48464), (1664, 43105), (1864, 38480), (1924, 37280), (2080, 34484), (2330, 30784), (2368, 30290), (2405, 29824), (2960, 24232), (3029, 23680), (3728, 19240), (3848, 18640), (4160, 17242), (4660, 15392), (4736, 15145), (4810, 14912), (5920, 12116), (6058, 11840), (7456, 9620), (7696, 9320), (8320, 8621)]