210957240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:797

約数の個数: 128

約数和(自身を含む): 685440000

約数和(自身を除く): 474482760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 271, 312, 390, 499, 520, 542, 780, 813, 998, 1084, 1355, 1497, 1560, 1626, 1996, 2168, 2495, 2710, 2994, 3252, 3523, 3992, 4065, 4990, 5420, 5988, 6487, 6504, 7046, 7485, 8130, 9980, 10569, 10840, 11976, 12974, 14092, 14970, 16260, 17615, 19461, 19960, 21138, 25948, 28184, 29940, 32435, 32520, 35230, 38922, 42276, 51896, 52845, 59880, 64870, 70460, 77844, 84552, 97305, 105690, 129740, 135229, 140920, 155688, 194610, 211380, 259480, 270458, 389220, 405687, 422760, 540916, 676145, 778440, 811374, 1081832, 1352290, 1622748, 1757977, 2028435, 2704580, 3245496, 3515954, 4056870, 5273931, 5409160, 7031908, 8113740, 8789885, 10547862, 14063816, 16227480, 17579770, 21095724, 26369655, 35159540, 42191448, 52739310, 70319080, 105478620, 210957240]

約数ペア:

[(1, 210957240), (2, 105478620), (3, 70319080), (4, 52739310), (5, 42191448), (6, 35159540), (8, 26369655), (10, 21095724), (12, 17579770), (13, 16227480), (15, 14063816), (20, 10547862), (24, 8789885), (26, 8113740), (30, 7031908), (39, 5409160), (40, 5273931), (52, 4056870), (60, 3515954), (65, 3245496), (78, 2704580), (104, 2028435), (120, 1757977), (130, 1622748), (156, 1352290), (195, 1081832), (260, 811374), (271, 778440), (312, 676145), (390, 540916), (499, 422760), (520, 405687), (542, 389220), (780, 270458), (813, 259480), (998, 211380), (1084, 194610), (1355, 155688), (1497, 140920), (1560, 135229), (1626, 129740), (1996, 105690), (2168, 97305), (2495, 84552), (2710, 77844), (2994, 70460), (3252, 64870), (3523, 59880), (3992, 52845), (4065, 51896), (4990, 42276), (5420, 38922), (5988, 35230), (6487, 32520), (6504, 32435), (7046, 29940), (7485, 28184), (8130, 25948), (9980, 21138), (10569, 19960), (10840, 19461), (11976, 17615), (12974, 16260), (14092, 14970)]