2668890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 7464960

約数和(自身を除く): 4796070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 179, 210, 213, 355, 358, 426, 497, 537, 710, 895, 994, 1065, 1074, 1253, 1491, 1790, 2130, 2485, 2506, 2685, 2982, 3759, 4970, 5370, 6265, 7455, 7518, 12530, 12709, 14910, 18795, 25418, 37590, 38127, 63545, 76254, 88963, 127090, 177926, 190635, 266889, 381270, 444815, 533778, 889630, 1334445, 2668890]

約数ペア:

[(1, 2668890), (2, 1334445), (3, 889630), (5, 533778), (6, 444815), (7, 381270), (10, 266889), (14, 190635), (15, 177926), (21, 127090), (30, 88963), (35, 76254), (42, 63545), (70, 38127), (71, 37590), (105, 25418), (142, 18795), (179, 14910), (210, 12709), (213, 12530), (355, 7518), (358, 7455), (426, 6265), (497, 5370), (537, 4970), (710, 3759), (895, 2982), (994, 2685), (1065, 2506), (1074, 2485), (1253, 2130), (1491, 1790)]