857895240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2239}}^1$

素因数の和:2387

約数の個数: 128

約数和(自身を含む): 2683699200

約数和(自身を除く): 1825803960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 103, 120, 124, 155, 186, 206, 248, 309, 310, 372, 412, 465, 515, 618, 620, 744, 824, 930, 1030, 1236, 1240, 1545, 1860, 2060, 2239, 2472, 3090, 3193, 3720, 4120, 4478, 6180, 6386, 6717, 8956, 9579, 11195, 12360, 12772, 13434, 15965, 17912, 19158, 22390, 25544, 26868, 31930, 33585, 38316, 44780, 47895, 53736, 63860, 67170, 69409, 76632, 89560, 95790, 127720, 134340, 138818, 191580, 208227, 230617, 268680, 277636, 347045, 383160, 416454, 461234, 555272, 691851, 694090, 832908, 922468, 1041135, 1153085, 1383702, 1388180, 1665816, 1844936, 2082270, 2306170, 2767404, 2776360, 3459255, 4164540, 4612340, 5534808, 6918510, 7149127, 8329080, 9224680, 13837020, 14298254, 21447381, 27674040, 28596508, 35745635, 42894762, 57193016, 71491270, 85789524, 107236905, 142982540, 171579048, 214473810, 285965080, 428947620, 857895240]

約数ペア:

[(1, 857895240), (2, 428947620), (3, 285965080), (4, 214473810), (5, 171579048), (6, 142982540), (8, 107236905), (10, 85789524), (12, 71491270), (15, 57193016), (20, 42894762), (24, 35745635), (30, 28596508), (31, 27674040), (40, 21447381), (60, 14298254), (62, 13837020), (93, 9224680), (103, 8329080), (120, 7149127), (124, 6918510), (155, 5534808), (186, 4612340), (206, 4164540), (248, 3459255), (309, 2776360), (310, 2767404), (372, 2306170), (412, 2082270), (465, 1844936), (515, 1665816), (618, 1388180), (620, 1383702), (744, 1153085), (824, 1041135), (930, 922468), (1030, 832908), (1236, 694090), (1240, 691851), (1545, 555272), (1860, 461234), (2060, 416454), (2239, 383160), (2472, 347045), (3090, 277636), (3193, 268680), (3720, 230617), (4120, 208227), (4478, 191580), (6180, 138818), (6386, 134340), (6717, 127720), (8956, 95790), (9579, 89560), (11195, 76632), (12360, 69409), (12772, 67170), (13434, 63860), (15965, 53736), (17912, 47895), (19158, 44780), (22390, 38316), (25544, 33585), (26868, 31930)]