242142660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18947}}^1$

素因数の和:19033

約数の個数: 72

約数和(自身を含む): 744883776

約数和(自身を除く): 502741116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 18947, 37894, 56841, 75788, 94735, 113682, 170523, 189470, 227364, 284205, 341046, 378940, 568410, 682092, 852615, 1136820, 1345237, 1705230, 2690474, 3410460, 4035711, 5380948, 6726185, 8071422, 12107133, 13452370, 16142844, 20178555, 24214266, 26904740, 40357110, 48428532, 60535665, 80714220, 121071330, 242142660]

約数ペア:

[(1, 242142660), (2, 121071330), (3, 80714220), (4, 60535665), (5, 48428532), (6, 40357110), (9, 26904740), (10, 24214266), (12, 20178555), (15, 16142844), (18, 13452370), (20, 12107133), (30, 8071422), (36, 6726185), (45, 5380948), (60, 4035711), (71, 3410460), (90, 2690474), (142, 1705230), (180, 1345237), (213, 1136820), (284, 852615), (355, 682092), (426, 568410), (639, 378940), (710, 341046), (852, 284205), (1065, 227364), (1278, 189470), (1420, 170523), (2130, 113682), (2556, 94735), (3195, 75788), (4260, 56841), (6390, 37894), (12780, 18947)]