8719020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 26928720

約数和(自身を除く): 18209700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 821, 885, 1062, 1180, 1642, 1770, 2124, 2463, 2655, 3284, 3540, 4105, 4926, 5310, 7389, 8210, 9852, 10620, 12315, 14778, 16420, 24630, 29556, 36945, 48439, 49260, 73890, 96878, 145317, 147780, 193756, 242195, 290634, 435951, 484390, 581268, 726585, 871902, 968780, 1453170, 1743804, 2179755, 2906340, 4359510, 8719020]

約数ペア:

[(1, 8719020), (2, 4359510), (3, 2906340), (4, 2179755), (5, 1743804), (6, 1453170), (9, 968780), (10, 871902), (12, 726585), (15, 581268), (18, 484390), (20, 435951), (30, 290634), (36, 242195), (45, 193756), (59, 147780), (60, 145317), (90, 96878), (118, 73890), (177, 49260), (180, 48439), (236, 36945), (295, 29556), (354, 24630), (531, 16420), (590, 14778), (708, 12315), (821, 10620), (885, 9852), (1062, 8210), (1180, 7389), (1642, 5310), (1770, 4926), (2124, 4105), (2463, 3540), (2655, 3284)]