54351920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1458

約数の個数: 80

約数和(自身を含む): 146562048

約数和(自身を除く): 92210128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1367, 1420, 1988, 2485, 2734, 2840, 3976, 4970, 5468, 5680, 6835, 7952, 9569, 9940, 10936, 13670, 19138, 19880, 21872, 27340, 38276, 39760, 47845, 54680, 76552, 95690, 97057, 109360, 153104, 191380, 194114, 382760, 388228, 485285, 679399, 765520, 776456, 970570, 1358798, 1552912, 1941140, 2717596, 3396995, 3882280, 5435192, 6793990, 7764560, 10870384, 13587980, 27175960, 54351920]

約数ペア:

[(1, 54351920), (2, 27175960), (4, 13587980), (5, 10870384), (7, 7764560), (8, 6793990), (10, 5435192), (14, 3882280), (16, 3396995), (20, 2717596), (28, 1941140), (35, 1552912), (40, 1358798), (56, 970570), (70, 776456), (71, 765520), (80, 679399), (112, 485285), (140, 388228), (142, 382760), (280, 194114), (284, 191380), (355, 153104), (497, 109360), (560, 97057), (568, 95690), (710, 76552), (994, 54680), (1136, 47845), (1367, 39760), (1420, 38276), (1988, 27340), (2485, 21872), (2734, 19880), (2840, 19138), (3976, 13670), (4970, 10936), (5468, 9940), (5680, 9569), (6835, 7952)]