858913020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{681677}}^1$

素因数の和:681699

約数の個数: 72

約数和(自身を含む): 2977569504

約数和(自身を除く): 2118656484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 681677, 1363354, 2045031, 2726708, 3408385, 4090062, 4771739, 6135093, 6816770, 8180124, 9543478, 10225155, 12270186, 13633540, 14315217, 19086956, 20450310, 23858695, 24540372, 28630434, 30675465, 40900620, 42945651, 47717390, 57260868, 61350930, 71576085, 85891302, 95434780, 122701860, 143152170, 171782604, 214728255, 286304340, 429456510, 858913020]

約数ペア:

[(1, 858913020), (2, 429456510), (3, 286304340), (4, 214728255), (5, 171782604), (6, 143152170), (7, 122701860), (9, 95434780), (10, 85891302), (12, 71576085), (14, 61350930), (15, 57260868), (18, 47717390), (20, 42945651), (21, 40900620), (28, 30675465), (30, 28630434), (35, 24540372), (36, 23858695), (42, 20450310), (45, 19086956), (60, 14315217), (63, 13633540), (70, 12270186), (84, 10225155), (90, 9543478), (105, 8180124), (126, 6816770), (140, 6135093), (180, 4771739), (210, 4090062), (252, 3408385), (315, 2726708), (420, 2045031), (630, 1363354), (1260, 681677)]