63973840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 172488960

約数和(自身を除く): 108515120

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, 1420, 1609, 1988, 2485, 2840, 3218, 3976, 4970, 5680, 6436, 7952, 8045, 9940, 11263, 12872, 16090, 19880, 22526, 25744, 32180, 39760, 45052, 56315, 64360, 90104, 112630, 114239, 128720, 180208, 225260, 228478, 450520, 456956, 571195, 799673, 901040, 913912, 1142390, 1599346, 1827824, 2284780, 3198692, 3998365, 4569560, 6397384, 7996730, 9139120, 12794768, 15993460, 31986920, 63973840]

約数ペア:

[(1, 63973840), (2, 31986920), (4, 15993460), (5, 12794768), (7, 9139120), (8, 7996730), (10, 6397384), (14, 4569560), (16, 3998365), (20, 3198692), (28, 2284780), (35, 1827824), (40, 1599346), (56, 1142390), (70, 913912), (71, 901040), (80, 799673), (112, 571195), (140, 456956), (142, 450520), (280, 228478), (284, 225260), (355, 180208), (497, 128720), (560, 114239), (568, 112630), (710, 90104), (994, 64360), (1136, 56315), (1420, 45052), (1609, 39760), (1988, 32180), (2485, 25744), (2840, 22526), (3218, 19880), (3976, 16090), (4970, 12872), (5680, 11263), (6436, 9940), (7952, 8045)]