30542980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 39452540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1487, 1580, 2054, 2974, 4108, 5135, 5948, 7435, 10270, 14870, 19331, 20540, 29740, 38662, 77324, 96655, 117473, 193310, 234946, 386620, 469892, 587365, 1174730, 1527149, 2349460, 3054298, 6108596, 7635745, 15271490, 30542980]

約数ペア:

[(1, 30542980), (2, 15271490), (4, 7635745), (5, 6108596), (10, 3054298), (13, 2349460), (20, 1527149), (26, 1174730), (52, 587365), (65, 469892), (79, 386620), (130, 234946), (158, 193310), (260, 117473), (316, 96655), (395, 77324), (790, 38662), (1027, 29740), (1487, 20540), (1580, 19331), (2054, 14870), (2974, 10270), (4108, 7435), (5135, 5948)]