18060280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 29295560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1217, 1484, 1855, 2120, 2434, 2968, 3710, 4868, 6085, 7420, 8519, 9736, 12170, 14840, 17038, 24340, 34076, 42595, 48680, 64501, 68152, 85190, 129002, 170380, 258004, 322505, 340760, 451507, 516008, 645010, 903014, 1290020, 1806028, 2257535, 2580040, 3612056, 4515070, 9030140, 18060280]

約数ペア:

[(1, 18060280), (2, 9030140), (4, 4515070), (5, 3612056), (7, 2580040), (8, 2257535), (10, 1806028), (14, 1290020), (20, 903014), (28, 645010), (35, 516008), (40, 451507), (53, 340760), (56, 322505), (70, 258004), (106, 170380), (140, 129002), (212, 85190), (265, 68152), (280, 64501), (371, 48680), (424, 42595), (530, 34076), (742, 24340), (1060, 17038), (1217, 14840), (1484, 12170), (1855, 9736), (2120, 8519), (2434, 7420), (2968, 6085), (3710, 4868)]