641427696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1644

約数の個数: 240

約数和(自身を含む): 2282076160

約数和(自身を除く): 1640648464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 31, 36, 39, 42, 48, 52, 56, 62, 63, 72, 78, 84, 91, 93, 104, 112, 117, 124, 126, 144, 156, 168, 182, 186, 208, 217, 234, 248, 252, 273, 279, 312, 336, 364, 372, 403, 434, 468, 496, 504, 546, 558, 624, 651, 728, 744, 806, 819, 868, 936, 1008, 1092, 1116, 1209, 1302, 1456, 1488, 1579, 1612, 1638, 1736, 1872, 1953, 2184, 2232, 2418, 2604, 2821, 3158, 3224, 3276, 3472, 3627, 3906, 4368, 4464, 4737, 4836, 5208, 5642, 6316, 6448, 6552, 7254, 7812, 8463, 9474, 9672, 10416, 11053, 11284, 12632, 13104, 14211, 14508, 15624, 16926, 18948, 19344, 20527, 22106, 22568, 25264, 25389, 28422, 29016, 31248, 33159, 33852, 37896, 41054, 44212, 45136, 48949, 50778, 56844, 58032, 61581, 66318, 67704, 75792, 82108, 88424, 97898, 99477, 101556, 113688, 123162, 132636, 135408, 143689, 146847, 164216, 176848, 184743, 195796, 198954, 203112, 227376, 246324, 265272, 287378, 293694, 328432, 342643, 369486, 391592, 397908, 406224, 431067, 440541, 492648, 530544, 574756, 587388, 636337, 685286, 738972, 783184, 795816, 862134, 881082, 985296, 1027929, 1149512, 1174776, 1272674, 1293201, 1370572, 1477944, 1591632, 1724268, 1762164, 1909011, 2055858, 2299024, 2349552, 2545348, 2586402, 2741144, 2955888, 3083787, 3448536, 3524328, 3818022, 4111716, 4454359, 5090696, 5172804, 5482288, 5727033, 6167574, 6897072, 7048656, 7636044, 8223432, 8908718, 10181392, 10345608, 11454066, 12335148, 13363077, 15272088, 16446864, 17817436, 20691216, 22908132, 24670296, 26726154, 30544176, 35634872, 40089231, 45816264, 49340592, 53452308, 71269744, 80178462, 91632528, 106904616, 160356924, 213809232, 320713848, 641427696]

約数ペア:

[(1, 641427696), (2, 320713848), (3, 213809232), (4, 160356924), (6, 106904616), (7, 91632528), (8, 80178462), (9, 71269744), (12, 53452308), (13, 49340592), (14, 45816264), (16, 40089231), (18, 35634872), (21, 30544176), (24, 26726154), (26, 24670296), (28, 22908132), (31, 20691216), (36, 17817436), (39, 16446864), (42, 15272088), (48, 13363077), (52, 12335148), (56, 11454066), (62, 10345608), (63, 10181392), (72, 8908718), (78, 8223432), (84, 7636044), (91, 7048656), (93, 6897072), (104, 6167574), (112, 5727033), (117, 5482288), (124, 5172804), (126, 5090696), (144, 4454359), (156, 4111716), (168, 3818022), (182, 3524328), (186, 3448536), (208, 3083787), (217, 2955888), (234, 2741144), (248, 2586402), (252, 2545348), (273, 2349552), (279, 2299024), (312, 2055858), (336, 1909011), (364, 1762164), (372, 1724268), (403, 1591632), (434, 1477944), (468, 1370572), (496, 1293201), (504, 1272674), (546, 1174776), (558, 1149512), (624, 1027929), (651, 985296), (728, 881082), (744, 862134), (806, 795816), (819, 783184), (868, 738972), (936, 685286), (1008, 636337), (1092, 587388), (1116, 574756), (1209, 530544), (1302, 492648), (1456, 440541), (1488, 431067), (1579, 406224), (1612, 397908), (1638, 391592), (1736, 369486), (1872, 342643), (1953, 328432), (2184, 293694), (2232, 287378), (2418, 265272), (2604, 246324), (2821, 227376), (3158, 203112), (3224, 198954), (3276, 195796), (3472, 184743), (3627, 176848), (3906, 164216), (4368, 146847), (4464, 143689), (4737, 135408), (4836, 132636), (5208, 123162), (5642, 113688), (6316, 101556), (6448, 99477), (6552, 97898), (7254, 88424), (7812, 82108), (8463, 75792), (9474, 67704), (9672, 66318), (10416, 61581), (11053, 58032), (11284, 56844), (12632, 50778), (13104, 48949), (14211, 45136), (14508, 44212), (15624, 41054), (16926, 37896), (18948, 33852), (19344, 33159), (20527, 31248), (22106, 29016), (22568, 28422), (25264, 25389)]