123415020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11621}}^1$

素因数の和:11695

約数の個数: 72

約数和(自身を含む): 380736720

約数和(自身を除く): 257321700

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, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 11621, 23242, 34863, 46484, 58105, 69726, 104589, 116210, 139452, 174315, 209178, 232420, 348630, 418356, 522945, 685639, 697260, 1045890, 1371278, 2056917, 2091780, 2742556, 3428195, 4113834, 6170751, 6856390, 8227668, 10284585, 12341502, 13712780, 20569170, 24683004, 30853755, 41138340, 61707510, 123415020]

約数ペア:

[(1, 123415020), (2, 61707510), (3, 41138340), (4, 30853755), (5, 24683004), (6, 20569170), (9, 13712780), (10, 12341502), (12, 10284585), (15, 8227668), (18, 6856390), (20, 6170751), (30, 4113834), (36, 3428195), (45, 2742556), (59, 2091780), (60, 2056917), (90, 1371278), (118, 1045890), (177, 697260), (180, 685639), (236, 522945), (295, 418356), (354, 348630), (531, 232420), (590, 209178), (708, 174315), (885, 139452), (1062, 116210), (1180, 104589), (1770, 69726), (2124, 58105), (2655, 46484), (3540, 34863), (5310, 23242), (10620, 11621)]