15928220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10343}}^1$

素因数の和:10370

約数の個数: 48

約数和(自身を含む): 41707008

約数和(自身を除く): 25778788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10343, 20686, 41372, 51715, 72401, 103430, 113773, 144802, 206860, 227546, 289604, 362005, 455092, 568865, 724010, 796411, 1137730, 1448020, 1592822, 2275460, 3185644, 3982055, 7964110, 15928220]

約数ペア:

[(1, 15928220), (2, 7964110), (4, 3982055), (5, 3185644), (7, 2275460), (10, 1592822), (11, 1448020), (14, 1137730), (20, 796411), (22, 724010), (28, 568865), (35, 455092), (44, 362005), (55, 289604), (70, 227546), (77, 206860), (110, 144802), (140, 113773), (154, 103430), (220, 72401), (308, 51715), (385, 41372), (770, 20686), (1540, 10343)]