85378960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 207129600

約数和(自身を除く): 121750640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 173, 199, 248, 310, 346, 398, 496, 620, 692, 796, 865, 995, 1240, 1384, 1592, 1730, 1990, 2480, 2768, 3184, 3460, 3980, 5363, 6169, 6920, 7960, 10726, 12338, 13840, 15920, 21452, 24676, 26815, 30845, 34427, 42904, 49352, 53630, 61690, 68854, 85808, 98704, 107260, 123380, 137708, 172135, 214520, 246760, 275416, 344270, 429040, 493520, 550832, 688540, 1067237, 1377080, 2134474, 2754160, 4268948, 5336185, 8537896, 10672370, 17075792, 21344740, 42689480, 85378960]

約数ペア:

[(1, 85378960), (2, 42689480), (4, 21344740), (5, 17075792), (8, 10672370), (10, 8537896), (16, 5336185), (20, 4268948), (31, 2754160), (40, 2134474), (62, 1377080), (80, 1067237), (124, 688540), (155, 550832), (173, 493520), (199, 429040), (248, 344270), (310, 275416), (346, 246760), (398, 214520), (496, 172135), (620, 137708), (692, 123380), (796, 107260), (865, 98704), (995, 85808), (1240, 68854), (1384, 61690), (1592, 53630), (1730, 49352), (1990, 42904), (2480, 34427), (2768, 30845), (3184, 26815), (3460, 24676), (3980, 21452), (5363, 15920), (6169, 13840), (6920, 12338), (7960, 10726)]