12681540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 39312000

約数和(自身を除く): 26630460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1499, 1692, 2115, 2820, 2998, 4230, 4497, 5996, 7495, 8460, 8994, 13491, 14990, 17988, 22485, 26982, 29980, 44970, 53964, 67455, 70453, 89940, 134910, 140906, 211359, 269820, 281812, 352265, 422718, 634077, 704530, 845436, 1056795, 1268154, 1409060, 2113590, 2536308, 3170385, 4227180, 6340770, 12681540]

約数ペア:

[(1, 12681540), (2, 6340770), (3, 4227180), (4, 3170385), (5, 2536308), (6, 2113590), (9, 1409060), (10, 1268154), (12, 1056795), (15, 845436), (18, 704530), (20, 634077), (30, 422718), (36, 352265), (45, 281812), (47, 269820), (60, 211359), (90, 140906), (94, 134910), (141, 89940), (180, 70453), (188, 67455), (235, 53964), (282, 44970), (423, 29980), (470, 26982), (564, 22485), (705, 17988), (846, 14990), (940, 13491), (1410, 8994), (1499, 8460), (1692, 7495), (2115, 5996), (2820, 4497), (2998, 4230)]