2780457960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{10061}}^1$

素因数の和:10136

約数の個数: 192

約数和(自身を含む): 9910667520

約数和(自身を除く): 7130209560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 84, 94, 98, 105, 120, 140, 141, 147, 168, 188, 196, 210, 235, 245, 280, 282, 294, 329, 376, 392, 420, 470, 490, 564, 588, 658, 705, 735, 840, 940, 980, 987, 1128, 1176, 1316, 1410, 1470, 1645, 1880, 1960, 1974, 2303, 2632, 2820, 2940, 3290, 3948, 4606, 4935, 5640, 5880, 6580, 6909, 7896, 9212, 9870, 10061, 11515, 13160, 13818, 18424, 19740, 20122, 23030, 27636, 30183, 34545, 39480, 40244, 46060, 50305, 55272, 60366, 69090, 70427, 80488, 92120, 100610, 120732, 138180, 140854, 150915, 201220, 211281, 241464, 276360, 281708, 301830, 352135, 402440, 422562, 472867, 492989, 563416, 603660, 704270, 845124, 945734, 985978, 1056405, 1207320, 1408540, 1418601, 1478967, 1690248, 1891468, 1971956, 2112810, 2364335, 2464945, 2817080, 2837202, 2957934, 3310069, 3782936, 3943912, 4225620, 4728670, 4929890, 5674404, 5915868, 6620138, 7093005, 7394835, 8451240, 9457340, 9859780, 9930207, 11348808, 11831736, 13240276, 14186010, 14789670, 16550345, 18914680, 19719560, 19860414, 23170483, 26480552, 28372020, 29579340, 33100690, 39720828, 46340966, 49651035, 56744040, 59158680, 66201380, 69511449, 79441656, 92681932, 99302070, 115852415, 132402760, 139022898, 185363864, 198604140, 231704830, 278045796, 347557245, 397208280, 463409660, 556091592, 695114490, 926819320, 1390228980, 2780457960]

約数ペア:

[(1, 2780457960), (2, 1390228980), (3, 926819320), (4, 695114490), (5, 556091592), (6, 463409660), (7, 397208280), (8, 347557245), (10, 278045796), (12, 231704830), (14, 198604140), (15, 185363864), (20, 139022898), (21, 132402760), (24, 115852415), (28, 99302070), (30, 92681932), (35, 79441656), (40, 69511449), (42, 66201380), (47, 59158680), (49, 56744040), (56, 49651035), (60, 46340966), (70, 39720828), (84, 33100690), (94, 29579340), (98, 28372020), (105, 26480552), (120, 23170483), (140, 19860414), (141, 19719560), (147, 18914680), (168, 16550345), (188, 14789670), (196, 14186010), (210, 13240276), (235, 11831736), (245, 11348808), (280, 9930207), (282, 9859780), (294, 9457340), (329, 8451240), (376, 7394835), (392, 7093005), (420, 6620138), (470, 5915868), (490, 5674404), (564, 4929890), (588, 4728670), (658, 4225620), (705, 3943912), (735, 3782936), (840, 3310069), (940, 2957934), (980, 2837202), (987, 2817080), (1128, 2464945), (1176, 2364335), (1316, 2112810), (1410, 1971956), (1470, 1891468), (1645, 1690248), (1880, 1478967), (1960, 1418601), (1974, 1408540), (2303, 1207320), (2632, 1056405), (2820, 985978), (2940, 945734), (3290, 845124), (3948, 704270), (4606, 603660), (4935, 563416), (5640, 492989), (5880, 472867), (6580, 422562), (6909, 402440), (7896, 352135), (9212, 301830), (9870, 281708), (10061, 276360), (11515, 241464), (13160, 211281), (13818, 201220), (18424, 150915), (19740, 140854), (20122, 138180), (23030, 120732), (27636, 100610), (30183, 92120), (34545, 80488), (39480, 70427), (40244, 69090), (46060, 60366), (50305, 55272)]