644638848

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10427}}^1$

素因数の和:10474

約数の個数: 128

約数和(自身を含む): 2042219520

約数和(自身を除く): 1397580672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 483, 552, 644, 672, 736, 896, 966, 1104, 1288, 1344, 1472, 1932, 2208, 2576, 2688, 2944, 3864, 4416, 5152, 7728, 8832, 10304, 10427, 15456, 20608, 20854, 30912, 31281, 41708, 61824, 62562, 72989, 83416, 125124, 145978, 166832, 218967, 239821, 250248, 291956, 333664, 437934, 479642, 500496, 583912, 667328, 719463, 875868, 959284, 1000992, 1167824, 1334656, 1438926, 1678747, 1751736, 1918568, 2001984, 2335648, 2877852, 3357494, 3503472, 3837136, 4003968, 4671296, 5036241, 5755704, 6714988, 7006944, 7674272, 9342592, 10072482, 11511408, 13429976, 14013888, 15348544, 20144964, 23022816, 26859952, 28027776, 30697088, 40289928, 46045632, 53719904, 80579856, 92091264, 107439808, 161159712, 214879616, 322319424, 644638848]

約数ペア:

[(1, 644638848), (2, 322319424), (3, 214879616), (4, 161159712), (6, 107439808), (7, 92091264), (8, 80579856), (12, 53719904), (14, 46045632), (16, 40289928), (21, 30697088), (23, 28027776), (24, 26859952), (28, 23022816), (32, 20144964), (42, 15348544), (46, 14013888), (48, 13429976), (56, 11511408), (64, 10072482), (69, 9342592), (84, 7674272), (92, 7006944), (96, 6714988), (112, 5755704), (128, 5036241), (138, 4671296), (161, 4003968), (168, 3837136), (184, 3503472), (192, 3357494), (224, 2877852), (276, 2335648), (322, 2001984), (336, 1918568), (368, 1751736), (384, 1678747), (448, 1438926), (483, 1334656), (552, 1167824), (644, 1000992), (672, 959284), (736, 875868), (896, 719463), (966, 667328), (1104, 583912), (1288, 500496), (1344, 479642), (1472, 437934), (1932, 333664), (2208, 291956), (2576, 250248), (2688, 239821), (2944, 218967), (3864, 166832), (4416, 145978), (5152, 125124), (7728, 83416), (8832, 72989), (10304, 62562), (10427, 61824), (15456, 41708), (20608, 31281), (20854, 30912)]