65273520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20950

約数の個数: 80

約数和(自身を含む): 217923552

約数和(自身を除く): 152650032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20921, 41842, 62763, 83684, 104605, 125526, 167368, 209210, 251052, 271973, 313815, 334736, 418420, 502104, 543946, 627630, 815919, 836840, 1004208, 1087892, 1255260, 1359865, 1631838, 1673680, 2175784, 2510520, 2719730, 3263676, 4079595, 4351568, 5021040, 5439460, 6527352, 8159190, 10878920, 13054704, 16318380, 21757840, 32636760, 65273520]

約数ペア:

[(1, 65273520), (2, 32636760), (3, 21757840), (4, 16318380), (5, 13054704), (6, 10878920), (8, 8159190), (10, 6527352), (12, 5439460), (13, 5021040), (15, 4351568), (16, 4079595), (20, 3263676), (24, 2719730), (26, 2510520), (30, 2175784), (39, 1673680), (40, 1631838), (48, 1359865), (52, 1255260), (60, 1087892), (65, 1004208), (78, 836840), (80, 815919), (104, 627630), (120, 543946), (130, 502104), (156, 418420), (195, 334736), (208, 313815), (240, 271973), (260, 251052), (312, 209210), (390, 167368), (520, 125526), (624, 104605), (780, 83684), (1040, 62763), (1560, 41842), (3120, 20921)]