1721435640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{843841}}^1$

素因数の和:843872

約数の個数: 64

約数和(自身を含む): 5468096160

約数和(自身を除く): 3746660520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 843841, 1687682, 2531523, 3375364, 4219205, 5063046, 6750728, 8438410, 10126092, 12657615, 14345297, 16876820, 20252184, 25315230, 28690594, 33753640, 43035891, 50630460, 57381188, 71726485, 86071782, 101260920, 114762376, 143452970, 172143564, 215179455, 286905940, 344287128, 430358910, 573811880, 860717820, 1721435640]

約数ペア:

[(1, 1721435640), (2, 860717820), (3, 573811880), (4, 430358910), (5, 344287128), (6, 286905940), (8, 215179455), (10, 172143564), (12, 143452970), (15, 114762376), (17, 101260920), (20, 86071782), (24, 71726485), (30, 57381188), (34, 50630460), (40, 43035891), (51, 33753640), (60, 28690594), (68, 25315230), (85, 20252184), (102, 16876820), (120, 14345297), (136, 12657615), (170, 10126092), (204, 8438410), (255, 6750728), (340, 5063046), (408, 4219205), (510, 3375364), (680, 2531523), (1020, 1687682), (2040, 843841)]