64802320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 165614400

約数和(自身を除く): 100812080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 349, 422, 440, 698, 844, 880, 1055, 1396, 1688, 1745, 2110, 2321, 2792, 3376, 3490, 3839, 4220, 4642, 5584, 6980, 7678, 8440, 9284, 11605, 13960, 15356, 16880, 18568, 19195, 23210, 27920, 30712, 37136, 38390, 46420, 61424, 73639, 76780, 92840, 147278, 153560, 185680, 294556, 307120, 368195, 589112, 736390, 810029, 1178224, 1472780, 1620058, 2945560, 3240116, 4050145, 5891120, 6480232, 8100290, 12960464, 16200580, 32401160, 64802320]

約数ペア:

[(1, 64802320), (2, 32401160), (4, 16200580), (5, 12960464), (8, 8100290), (10, 6480232), (11, 5891120), (16, 4050145), (20, 3240116), (22, 2945560), (40, 1620058), (44, 1472780), (55, 1178224), (80, 810029), (88, 736390), (110, 589112), (176, 368195), (211, 307120), (220, 294556), (349, 185680), (422, 153560), (440, 147278), (698, 92840), (844, 76780), (880, 73639), (1055, 61424), (1396, 46420), (1688, 38390), (1745, 37136), (2110, 30712), (2321, 27920), (2792, 23210), (3376, 19195), (3490, 18568), (3839, 16880), (4220, 15356), (4642, 13960), (5584, 11605), (6980, 9284), (7678, 8440)]