640524288

素因数分解:

$2^{13}\times 3^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 112

約数和(自身を含む): 1737908640

約数和(自身を除く): 1097384352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 389, 402, 512, 536, 768, 778, 804, 1024, 1072, 1167, 1536, 1556, 1608, 2048, 2144, 2334, 3072, 3112, 3216, 4096, 4288, 4668, 6144, 6224, 6432, 8192, 8576, 9336, 12288, 12448, 12864, 17152, 18672, 24576, 24896, 25728, 26063, 34304, 37344, 49792, 51456, 52126, 68608, 74688, 78189, 99584, 102912, 104252, 137216, 149376, 156378, 199168, 205824, 208504, 274432, 298752, 312756, 398336, 411648, 417008, 548864, 597504, 625512, 796672, 823296, 834016, 1195008, 1251024, 1593344, 1646592, 1668032, 2390016, 2502048, 3186688, 3336064, 4780032, 5004096, 6672128, 9560064, 10008192, 13344256, 20016384, 26688512, 40032768, 53377024, 80065536, 106754048, 160131072, 213508096, 320262144, 640524288]

約数ペア:

[(1, 640524288), (2, 320262144), (3, 213508096), (4, 160131072), (6, 106754048), (8, 80065536), (12, 53377024), (16, 40032768), (24, 26688512), (32, 20016384), (48, 13344256), (64, 10008192), (67, 9560064), (96, 6672128), (128, 5004096), (134, 4780032), (192, 3336064), (201, 3186688), (256, 2502048), (268, 2390016), (384, 1668032), (389, 1646592), (402, 1593344), (512, 1251024), (536, 1195008), (768, 834016), (778, 823296), (804, 796672), (1024, 625512), (1072, 597504), (1167, 548864), (1536, 417008), (1556, 411648), (1608, 398336), (2048, 312756), (2144, 298752), (2334, 274432), (3072, 208504), (3112, 205824), (3216, 199168), (4096, 156378), (4288, 149376), (4668, 137216), (6144, 104252), (6224, 102912), (6432, 99584), (8192, 78189), (8576, 74688), (9336, 68608), (12288, 52126), (12448, 51456), (12864, 49792), (17152, 37344), (18672, 34304), (24576, 26063), (24896, 25728)]