251693520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80671}}^1$

素因数の和:80700

約数の個数: 80

約数和(自身を含む): 840279552

約数和(自身を除く): 588586032

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, 80671, 161342, 242013, 322684, 403355, 484026, 645368, 806710, 968052, 1048723, 1210065, 1290736, 1613420, 1936104, 2097446, 2420130, 3146169, 3226840, 3872208, 4194892, 4840260, 5243615, 6292338, 6453680, 8389784, 9680520, 10487230, 12584676, 15730845, 16779568, 19361040, 20974460, 25169352, 31461690, 41948920, 50338704, 62923380, 83897840, 125846760, 251693520]

約数ペア:

[(1, 251693520), (2, 125846760), (3, 83897840), (4, 62923380), (5, 50338704), (6, 41948920), (8, 31461690), (10, 25169352), (12, 20974460), (13, 19361040), (15, 16779568), (16, 15730845), (20, 12584676), (24, 10487230), (26, 9680520), (30, 8389784), (39, 6453680), (40, 6292338), (48, 5243615), (52, 4840260), (60, 4194892), (65, 3872208), (78, 3226840), (80, 3146169), (104, 2420130), (120, 2097446), (130, 1936104), (156, 1613420), (195, 1290736), (208, 1210065), (240, 1048723), (260, 968052), (312, 806710), (390, 645368), (520, 484026), (624, 403355), (780, 322684), (1040, 242013), (1560, 161342), (3120, 80671)]