15981930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{743}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 25801110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 743, 1195, 1434, 1486, 2151, 2229, 2390, 3585, 3715, 4302, 4458, 6687, 7170, 7430, 10755, 11145, 13374, 21510, 22290, 33435, 66870, 177577, 355154, 532731, 887885, 1065462, 1598193, 1775770, 2663655, 3196386, 5327310, 7990965, 15981930]

約数ペア:

[(1, 15981930), (2, 7990965), (3, 5327310), (5, 3196386), (6, 2663655), (9, 1775770), (10, 1598193), (15, 1065462), (18, 887885), (30, 532731), (45, 355154), (90, 177577), (239, 66870), (478, 33435), (717, 22290), (743, 21510), (1195, 13374), (1434, 11145), (1486, 10755), (2151, 7430), (2229, 7170), (2390, 6687), (3585, 4458), (3715, 4302)]