165280375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 244048896

約数和(自身を除く): 78768521

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 125, 155, 193, 221, 325, 403, 425, 527, 775, 965, 1105, 1625, 2015, 2125, 2509, 2635, 3281, 3875, 4825, 5525, 5983, 6851, 10075, 12545, 13175, 16405, 24125, 27625, 29915, 34255, 42653, 50375, 62725, 65875, 77779, 82025, 101711, 149575, 171275, 213265, 313625, 388895, 410125, 508555, 747875, 856375, 1066325, 1322243, 1944475, 2542775, 5331625, 6611215, 9722375, 12713875, 33056075, 165280375]

約数ペア:

[(1, 165280375), (5, 33056075), (13, 12713875), (17, 9722375), (25, 6611215), (31, 5331625), (65, 2542775), (85, 1944475), (125, 1322243), (155, 1066325), (193, 856375), (221, 747875), (325, 508555), (403, 410125), (425, 388895), (527, 313625), (775, 213265), (965, 171275), (1105, 149575), (1625, 101711), (2015, 82025), (2125, 77779), (2509, 65875), (2635, 62725), (3281, 50375), (3875, 42653), (4825, 34255), (5525, 29915), (5983, 27625), (6851, 24125), (10075, 16405), (12545, 13175)]