640520448

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^1\times {\mathrm{28759}}^1$

素因数の和:28807

約数の個数: 72

約数和(自身を含む): 1763563200

約数和(自身を除く): 1123042752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 696, 768, 928, 1392, 1856, 2784, 3712, 5568, 7424, 11136, 22272, 28759, 57518, 86277, 115036, 172554, 230072, 345108, 460144, 690216, 834011, 920288, 1380432, 1668022, 1840576, 2502033, 2760864, 3336044, 3681152, 5004066, 5521728, 6672088, 7362304, 10008132, 11043456, 13344176, 20016264, 22086912, 26688352, 40032528, 53376704, 80065056, 106753408, 160130112, 213506816, 320260224, 640520448]

約数ペア:

[(1, 640520448), (2, 320260224), (3, 213506816), (4, 160130112), (6, 106753408), (8, 80065056), (12, 53376704), (16, 40032528), (24, 26688352), (29, 22086912), (32, 20016264), (48, 13344176), (58, 11043456), (64, 10008132), (87, 7362304), (96, 6672088), (116, 5521728), (128, 5004066), (174, 3681152), (192, 3336044), (232, 2760864), (256, 2502033), (348, 1840576), (384, 1668022), (464, 1380432), (696, 920288), (768, 834011), (928, 690216), (1392, 460144), (1856, 345108), (2784, 230072), (3712, 172554), (5568, 115036), (7424, 86277), (11136, 57518), (22272, 28759)]