257960280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27211}}^1$

素因数の和:27304

約数の個数: 64

約数和(自身を含む): 783705600

約数和(自身を除く): 525745320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 27211, 54422, 81633, 108844, 136055, 163266, 217688, 272110, 326532, 408165, 544220, 653064, 816330, 1088440, 1632660, 2149669, 3265320, 4299338, 6449007, 8598676, 10748345, 12898014, 17197352, 21496690, 25796028, 32245035, 42993380, 51592056, 64490070, 85986760, 128980140, 257960280]

約数ペア:

[(1, 257960280), (2, 128980140), (3, 85986760), (4, 64490070), (5, 51592056), (6, 42993380), (8, 32245035), (10, 25796028), (12, 21496690), (15, 17197352), (20, 12898014), (24, 10748345), (30, 8598676), (40, 6449007), (60, 4299338), (79, 3265320), (120, 2149669), (158, 1632660), (237, 1088440), (316, 816330), (395, 653064), (474, 544220), (632, 408165), (790, 326532), (948, 272110), (1185, 217688), (1580, 163266), (1896, 136055), (2370, 108844), (3160, 81633), (4740, 54422), (9480, 27211)]