64694240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1684

約数の個数: 96

約数和(自身を含む): 173365920

約数和(自身を除く): 108671680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1637, 1976, 2080, 2470, 3040, 3274, 3952, 4940, 6548, 7904, 8185, 9880, 13096, 16370, 19760, 21281, 26192, 31103, 32740, 39520, 42562, 52384, 62206, 65480, 85124, 106405, 124412, 130960, 155515, 170248, 212810, 248824, 261920, 311030, 340496, 404339, 425620, 497648, 622060, 680992, 808678, 851240, 995296, 1244120, 1617356, 1702480, 2021695, 2488240, 3234712, 3404960, 4043390, 4976480, 6469424, 8086780, 12938848, 16173560, 32347120, 64694240]

約数ペア:

[(1, 64694240), (2, 32347120), (4, 16173560), (5, 12938848), (8, 8086780), (10, 6469424), (13, 4976480), (16, 4043390), (19, 3404960), (20, 3234712), (26, 2488240), (32, 2021695), (38, 1702480), (40, 1617356), (52, 1244120), (65, 995296), (76, 851240), (80, 808678), (95, 680992), (104, 622060), (130, 497648), (152, 425620), (160, 404339), (190, 340496), (208, 311030), (247, 261920), (260, 248824), (304, 212810), (380, 170248), (416, 155515), (494, 130960), (520, 124412), (608, 106405), (760, 85124), (988, 65480), (1040, 62206), (1235, 52384), (1520, 42562), (1637, 39520), (1976, 32740), (2080, 31103), (2470, 26192), (3040, 21281), (3274, 19760), (3952, 16370), (4940, 13096), (6548, 9880), (7904, 8185)]