138220483840

素因数分解:

$2^8\times 5^1\times {\mathrm{9013}}^1\times {\mathrm{11981}}^1$

素因数の和:21015

約数の個数: 72

約数和(自身を含む): 331145623368

約数和(自身を除く): 192925139528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9013, 11981, 18026, 23962, 36052, 45065, 47924, 59905, 72104, 90130, 95848, 119810, 144208, 180260, 191696, 239620, 288416, 360520, 383392, 479240, 576832, 721040, 766784, 958480, 1153664, 1442080, 1533568, 1916960, 2307328, 2884160, 3067136, 3833920, 5768320, 7667840, 11536640, 15335680, 107984753, 215969506, 431939012, 539923765, 863878024, 1079847530, 1727756048, 2159695060, 3455512096, 4319390120, 6911024192, 8638780240, 13822048384, 17277560480, 27644096768, 34555120960, 69110241920, 138220483840]

約数ペア:

[(1, 138220483840), (2, 69110241920), (4, 34555120960), (5, 27644096768), (8, 17277560480), (10, 13822048384), (16, 8638780240), (20, 6911024192), (32, 4319390120), (40, 3455512096), (64, 2159695060), (80, 1727756048), (128, 1079847530), (160, 863878024), (256, 539923765), (320, 431939012), (640, 215969506), (1280, 107984753), (9013, 15335680), (11981, 11536640), (18026, 7667840), (23962, 5768320), (36052, 3833920), (45065, 3067136), (47924, 2884160), (59905, 2307328), (72104, 1916960), (90130, 1533568), (95848, 1442080), (119810, 1153664), (144208, 958480), (180260, 766784), (191696, 721040), (239620, 576832), (288416, 479240), (360520, 383392)]