1211315080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{7457}}^1$

素因数の和:7630

約数の個数: 64

約数和(自身を含む): 2835233280

約数和(自身を除く): 1623918200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 620, 655, 1048, 1240, 1310, 2620, 4061, 5240, 7457, 8122, 14914, 16244, 20305, 29828, 32488, 37285, 40610, 59656, 74570, 81220, 149140, 162440, 231167, 298280, 462334, 924668, 976867, 1155835, 1849336, 1953734, 2311670, 3907468, 4623340, 4884335, 7814936, 9246680, 9768670, 19537340, 30282877, 39074680, 60565754, 121131508, 151414385, 242263016, 302828770, 605657540, 1211315080]

約数ペア:

[(1, 1211315080), (2, 605657540), (4, 302828770), (5, 242263016), (8, 151414385), (10, 121131508), (20, 60565754), (31, 39074680), (40, 30282877), (62, 19537340), (124, 9768670), (131, 9246680), (155, 7814936), (248, 4884335), (262, 4623340), (310, 3907468), (524, 2311670), (620, 1953734), (655, 1849336), (1048, 1155835), (1240, 976867), (1310, 924668), (2620, 462334), (4061, 298280), (5240, 231167), (7457, 162440), (8122, 149140), (14914, 81220), (16244, 74570), (20305, 59656), (29828, 40610), (32488, 37285)]