2788165740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{654499}}^1$

素因数の和:654582

約数の個数: 48

約数和(自身を含む): 7916832000

約数和(自身を除く): 5128666260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 654499, 1308998, 1963497, 2617996, 3272495, 3926994, 6544990, 7853988, 9817485, 13089980, 19634970, 39269940, 46469429, 92938858, 139408287, 185877716, 232347145, 278816574, 464694290, 557633148, 697041435, 929388580, 1394082870, 2788165740]

約数ペア:

[(1, 2788165740), (2, 1394082870), (3, 929388580), (4, 697041435), (5, 557633148), (6, 464694290), (10, 278816574), (12, 232347145), (15, 185877716), (20, 139408287), (30, 92938858), (60, 46469429), (71, 39269940), (142, 19634970), (213, 13089980), (284, 9817485), (355, 7853988), (426, 6544990), (710, 3926994), (852, 3272495), (1065, 2617996), (1420, 1963497), (2130, 1308998), (4260, 654499)]