121863120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1279}}^1$

素因数の和:1692

約数の個数: 80

約数和(自身を含む): 379023360

約数和(自身を除く): 257160240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 1191, 1279, 1588, 1985, 2382, 2558, 3176, 3837, 3970, 4764, 5116, 5955, 6352, 6395, 7674, 7940, 9528, 10232, 11910, 12790, 15348, 15880, 19056, 19185, 20464, 23820, 25580, 30696, 31760, 38370, 47640, 51160, 61392, 76740, 95280, 102320, 153480, 306960, 507763, 1015526, 1523289, 2031052, 2538815, 3046578, 4062104, 5077630, 6093156, 7616445, 8124208, 10155260, 12186312, 15232890, 20310520, 24372624, 30465780, 40621040, 60931560, 121863120]

約数ペア:

[(1, 121863120), (2, 60931560), (3, 40621040), (4, 30465780), (5, 24372624), (6, 20310520), (8, 15232890), (10, 12186312), (12, 10155260), (15, 8124208), (16, 7616445), (20, 6093156), (24, 5077630), (30, 4062104), (40, 3046578), (48, 2538815), (60, 2031052), (80, 1523289), (120, 1015526), (240, 507763), (397, 306960), (794, 153480), (1191, 102320), (1279, 95280), (1588, 76740), (1985, 61392), (2382, 51160), (2558, 47640), (3176, 38370), (3837, 31760), (3970, 30696), (4764, 25580), (5116, 23820), (5955, 20464), (6352, 19185), (6395, 19056), (7674, 15880), (7940, 15348), (9528, 12790), (10232, 11910)]