231657920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:502

約数の個数: 112

約数和(自身を含む): 599114880

約数和(自身を除く): 367456960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 233, 239, 260, 320, 416, 466, 478, 520, 832, 932, 956, 1040, 1165, 1195, 1864, 1912, 2080, 2330, 2390, 3029, 3107, 3728, 3824, 4160, 4660, 4780, 6058, 6214, 7456, 7648, 9320, 9560, 12116, 12428, 14912, 15145, 15296, 15535, 18640, 19120, 24232, 24856, 30290, 31070, 37280, 38240, 48464, 49712, 55687, 60580, 62140, 74560, 76480, 96928, 99424, 111374, 121160, 124280, 193856, 198848, 222748, 242320, 248560, 278435, 445496, 484640, 497120, 556870, 723931, 890992, 969280, 994240, 1113740, 1447862, 1781984, 2227480, 2895724, 3563968, 3619655, 4454960, 5791448, 7239310, 8909920, 11582896, 14478620, 17819840, 23165792, 28957240, 46331584, 57914480, 115828960, 231657920]

約数ペア:

[(1, 231657920), (2, 115828960), (4, 57914480), (5, 46331584), (8, 28957240), (10, 23165792), (13, 17819840), (16, 14478620), (20, 11582896), (26, 8909920), (32, 7239310), (40, 5791448), (52, 4454960), (64, 3619655), (65, 3563968), (80, 2895724), (104, 2227480), (130, 1781984), (160, 1447862), (208, 1113740), (233, 994240), (239, 969280), (260, 890992), (320, 723931), (416, 556870), (466, 497120), (478, 484640), (520, 445496), (832, 278435), (932, 248560), (956, 242320), (1040, 222748), (1165, 198848), (1195, 193856), (1864, 124280), (1912, 121160), (2080, 111374), (2330, 99424), (2390, 96928), (3029, 76480), (3107, 74560), (3728, 62140), (3824, 60580), (4160, 55687), (4660, 49712), (4780, 48464), (6058, 38240), (6214, 37280), (7456, 31070), (7648, 30290), (9320, 24856), (9560, 24232), (12116, 19120), (12428, 18640), (14912, 15535), (15145, 15296)]