77072840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 188697600

約数和(自身を除く): 111624760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 1439, 2060, 2678, 2878, 4120, 5356, 5756, 6695, 7195, 10712, 11512, 13390, 14390, 18707, 26780, 28780, 37414, 53560, 57560, 74828, 93535, 148217, 149656, 187070, 296434, 374140, 592868, 741085, 748280, 1185736, 1482170, 1926821, 2964340, 3853642, 5928680, 7707284, 9634105, 15414568, 19268210, 38536420, 77072840]

約数ペア:

[(1, 77072840), (2, 38536420), (4, 19268210), (5, 15414568), (8, 9634105), (10, 7707284), (13, 5928680), (20, 3853642), (26, 2964340), (40, 1926821), (52, 1482170), (65, 1185736), (103, 748280), (104, 741085), (130, 592868), (206, 374140), (260, 296434), (412, 187070), (515, 149656), (520, 148217), (824, 93535), (1030, 74828), (1339, 57560), (1439, 53560), (2060, 37414), (2678, 28780), (2878, 26780), (4120, 18707), (5356, 14390), (5756, 13390), (6695, 11512), (7195, 10712)]