77210120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4013}}^1$

素因数の和:4074

約数の個数: 64

約数和(自身を含む): 192190320

約数和(自身を除く): 114980200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4013, 4810, 8026, 9620, 16052, 19240, 20065, 32104, 40130, 52169, 80260, 104338, 148481, 160520, 208676, 260845, 296962, 417352, 521690, 593924, 742405, 1043380, 1187848, 1484810, 1930253, 2086760, 2969620, 3860506, 5939240, 7721012, 9651265, 15442024, 19302530, 38605060, 77210120]

約数ペア:

[(1, 77210120), (2, 38605060), (4, 19302530), (5, 15442024), (8, 9651265), (10, 7721012), (13, 5939240), (20, 3860506), (26, 2969620), (37, 2086760), (40, 1930253), (52, 1484810), (65, 1187848), (74, 1043380), (104, 742405), (130, 593924), (148, 521690), (185, 417352), (260, 296962), (296, 260845), (370, 208676), (481, 160520), (520, 148481), (740, 104338), (962, 80260), (1480, 52169), (1924, 40130), (2405, 32104), (3848, 20065), (4013, 19240), (4810, 16052), (8026, 9620)]