78870372660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{307919}}^1$

素因数の和:309357

約数の個数: 72

約数和(自身を含む): 239409031680

約数和(自身を除く): 160538659020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1423, 2846, 4269, 5692, 7115, 8538, 12807, 14230, 17076, 21345, 25614, 28460, 42690, 51228, 64035, 85380, 128070, 256140, 307919, 615838, 923757, 1231676, 1539595, 1847514, 2771271, 3079190, 3695028, 4618785, 5542542, 6158380, 9237570, 11085084, 13856355, 18475140, 27712710, 55425420, 438168737, 876337474, 1314506211, 1752674948, 2190843685, 2629012422, 3943518633, 4381687370, 5258024844, 6572531055, 7887037266, 8763374740, 13145062110, 15774074532, 19717593165, 26290124220, 39435186330, 78870372660]

約数ペア:

[(1, 78870372660), (2, 39435186330), (3, 26290124220), (4, 19717593165), (5, 15774074532), (6, 13145062110), (9, 8763374740), (10, 7887037266), (12, 6572531055), (15, 5258024844), (18, 4381687370), (20, 3943518633), (30, 2629012422), (36, 2190843685), (45, 1752674948), (60, 1314506211), (90, 876337474), (180, 438168737), (1423, 55425420), (2846, 27712710), (4269, 18475140), (5692, 13856355), (7115, 11085084), (8538, 9237570), (12807, 6158380), (14230, 5542542), (17076, 4618785), (21345, 3695028), (25614, 3079190), (28460, 2771271), (42690, 1847514), (51228, 1539595), (64035, 1231676), (85380, 923757), (128070, 615838), (256140, 307919)]