15672271960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{64157}}^1$

素因数の和:64396

約数の個数: 64

約数和(自身を含む): 36585457920

約数和(自身を除く): 20913185960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 788, 985, 1240, 1576, 1970, 3940, 6107, 7880, 12214, 24428, 30535, 48856, 61070, 64157, 122140, 128314, 244280, 256628, 320785, 513256, 641570, 1283140, 1988867, 2566280, 3977734, 7955468, 9944335, 12638929, 15910936, 19888670, 25277858, 39777340, 50555716, 63194645, 79554680, 101111432, 126389290, 252778580, 391806799, 505557160, 783613598, 1567227196, 1959033995, 3134454392, 3918067990, 7836135980, 15672271960]

約数ペア:

[(1, 15672271960), (2, 7836135980), (4, 3918067990), (5, 3134454392), (8, 1959033995), (10, 1567227196), (20, 783613598), (31, 505557160), (40, 391806799), (62, 252778580), (124, 126389290), (155, 101111432), (197, 79554680), (248, 63194645), (310, 50555716), (394, 39777340), (620, 25277858), (788, 19888670), (985, 15910936), (1240, 12638929), (1576, 9944335), (1970, 7955468), (3940, 3977734), (6107, 2566280), (7880, 1988867), (12214, 1283140), (24428, 641570), (30535, 513256), (48856, 320785), (61070, 256628), (64157, 244280), (122140, 128314)]