31906380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1667}}^1$

素因数の和:1719

約数の個数: 96

約数和(自身を含む): 100880640

約数和(自身を除く): 68974260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1276, 1595, 1667, 1740, 1914, 3190, 3334, 3828, 4785, 5001, 6380, 6668, 8335, 9570, 10002, 16670, 18337, 19140, 20004, 25005, 33340, 36674, 48343, 50010, 55011, 73348, 91685, 96686, 100020, 110022, 145029, 183370, 193372, 220044, 241715, 275055, 290058, 366740, 483430, 531773, 550110, 580116, 725145, 966860, 1063546, 1100220, 1450290, 1595319, 2127092, 2658865, 2900580, 3190638, 5317730, 6381276, 7976595, 10635460, 15953190, 31906380]

約数ペア:

[(1, 31906380), (2, 15953190), (3, 10635460), (4, 7976595), (5, 6381276), (6, 5317730), (10, 3190638), (11, 2900580), (12, 2658865), (15, 2127092), (20, 1595319), (22, 1450290), (29, 1100220), (30, 1063546), (33, 966860), (44, 725145), (55, 580116), (58, 550110), (60, 531773), (66, 483430), (87, 366740), (110, 290058), (116, 275055), (132, 241715), (145, 220044), (165, 193372), (174, 183370), (220, 145029), (290, 110022), (319, 100020), (330, 96686), (348, 91685), (435, 73348), (580, 55011), (638, 50010), (660, 48343), (870, 36674), (957, 33340), (1276, 25005), (1595, 20004), (1667, 19140), (1740, 18337), (1914, 16670), (3190, 10002), (3334, 9570), (3828, 8335), (4785, 6668), (5001, 6380)]