215592720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:913

約数の個数: 160

約数和(自身を含む): 769117440

約数和(自身を除く): 553524720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 181, 210, 240, 280, 336, 362, 420, 543, 560, 709, 724, 840, 905, 1086, 1267, 1418, 1448, 1680, 1810, 2127, 2172, 2534, 2715, 2836, 2896, 3545, 3620, 3801, 4254, 4344, 4963, 5068, 5430, 5672, 6335, 7090, 7240, 7602, 8508, 8688, 9926, 10136, 10635, 10860, 11344, 12670, 14180, 14480, 14889, 15204, 17016, 19005, 19852, 20272, 21270, 21720, 24815, 25340, 28360, 29778, 30408, 34032, 38010, 39704, 42540, 43440, 49630, 50680, 56720, 59556, 60816, 74445, 76020, 79408, 85080, 99260, 101360, 119112, 128329, 148890, 152040, 170160, 198520, 238224, 256658, 297780, 304080, 384987, 397040, 513316, 595560, 641645, 769974, 898303, 1026632, 1191120, 1283290, 1539948, 1796606, 1924935, 2053264, 2566580, 2694909, 3079896, 3593212, 3849870, 4491515, 5133160, 5389818, 6159792, 7186424, 7699740, 8983030, 10266320, 10779636, 13474545, 14372848, 15399480, 17966060, 21559272, 26949090, 30798960, 35932120, 43118544, 53898180, 71864240, 107796360, 215592720]

約数ペア:

[(1, 215592720), (2, 107796360), (3, 71864240), (4, 53898180), (5, 43118544), (6, 35932120), (7, 30798960), (8, 26949090), (10, 21559272), (12, 17966060), (14, 15399480), (15, 14372848), (16, 13474545), (20, 10779636), (21, 10266320), (24, 8983030), (28, 7699740), (30, 7186424), (35, 6159792), (40, 5389818), (42, 5133160), (48, 4491515), (56, 3849870), (60, 3593212), (70, 3079896), (80, 2694909), (84, 2566580), (105, 2053264), (112, 1924935), (120, 1796606), (140, 1539948), (168, 1283290), (181, 1191120), (210, 1026632), (240, 898303), (280, 769974), (336, 641645), (362, 595560), (420, 513316), (543, 397040), (560, 384987), (709, 304080), (724, 297780), (840, 256658), (905, 238224), (1086, 198520), (1267, 170160), (1418, 152040), (1448, 148890), (1680, 128329), (1810, 119112), (2127, 101360), (2172, 99260), (2534, 85080), (2715, 79408), (2836, 76020), (2896, 74445), (3545, 60816), (3620, 59556), (3801, 56720), (4254, 50680), (4344, 49630), (4963, 43440), (5068, 42540), (5430, 39704), (5672, 38010), (6335, 34032), (7090, 30408), (7240, 29778), (7602, 28360), (8508, 25340), (8688, 24815), (9926, 21720), (10136, 21270), (10635, 20272), (10860, 19852), (11344, 19005), (12670, 17016), (14180, 15204), (14480, 14889)]