15993460

素因数分解:

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

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 22955660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1609, 1988, 2485, 3218, 4970, 6436, 8045, 9940, 11263, 16090, 22526, 32180, 45052, 56315, 112630, 114239, 225260, 228478, 456956, 571195, 799673, 1142390, 1599346, 2284780, 3198692, 3998365, 7996730, 15993460]

約数ペア:

[(1, 15993460), (2, 7996730), (4, 3998365), (5, 3198692), (7, 2284780), (10, 1599346), (14, 1142390), (20, 799673), (28, 571195), (35, 456956), (70, 228478), (71, 225260), (140, 114239), (142, 112630), (284, 56315), (355, 45052), (497, 32180), (710, 22526), (994, 16090), (1420, 11263), (1609, 9940), (1988, 8045), (2485, 6436), (3218, 4970)]