215891520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17299}}^1$

素因数の和:17332

約数の個数: 112

約数和(自身を含む): 738225600

約数和(自身を除く): 522334080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 17299, 34598, 51897, 69196, 86495, 103794, 138392, 172990, 207588, 224887, 259485, 276784, 345980, 415176, 449774, 518970, 553568, 674661, 691960, 830352, 899548, 1037940, 1107136, 1124435, 1349322, 1383920, 1660704, 1799096, 2075880, 2248870, 2698644, 2767840, 3321408, 3373305, 3598192, 4151760, 4497740, 5397288, 5535680, 6746610, 7196384, 8303520, 8995480, 10794576, 13493220, 14392768, 16607040, 17990960, 21589152, 26986440, 35981920, 43178304, 53972880, 71963840, 107945760, 215891520]

約数ペア:

[(1, 215891520), (2, 107945760), (3, 71963840), (4, 53972880), (5, 43178304), (6, 35981920), (8, 26986440), (10, 21589152), (12, 17990960), (13, 16607040), (15, 14392768), (16, 13493220), (20, 10794576), (24, 8995480), (26, 8303520), (30, 7196384), (32, 6746610), (39, 5535680), (40, 5397288), (48, 4497740), (52, 4151760), (60, 3598192), (64, 3373305), (65, 3321408), (78, 2767840), (80, 2698644), (96, 2248870), (104, 2075880), (120, 1799096), (130, 1660704), (156, 1383920), (160, 1349322), (192, 1124435), (195, 1107136), (208, 1037940), (240, 899548), (260, 830352), (312, 691960), (320, 674661), (390, 553568), (416, 518970), (480, 449774), (520, 415176), (624, 345980), (780, 276784), (832, 259485), (960, 224887), (1040, 207588), (1248, 172990), (1560, 138392), (2080, 103794), (2496, 86495), (3120, 69196), (4160, 51897), (6240, 34598), (12480, 17299)]