857397720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{420293}}^1$

素因数の和:420324

約数の個数: 64

約数和(自身を含む): 2723505120

約数和(自身を除く): 1866107400

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, 420293, 840586, 1260879, 1681172, 2101465, 2521758, 3362344, 4202930, 5043516, 6304395, 7144981, 8405860, 10087032, 12608790, 14289962, 16811720, 21434943, 25217580, 28579924, 35724905, 42869886, 50435160, 57159848, 71449810, 85739772, 107174715, 142899620, 171479544, 214349430, 285799240, 428698860, 857397720]

約数ペア:

[(1, 857397720), (2, 428698860), (3, 285799240), (4, 214349430), (5, 171479544), (6, 142899620), (8, 107174715), (10, 85739772), (12, 71449810), (15, 57159848), (17, 50435160), (20, 42869886), (24, 35724905), (30, 28579924), (34, 25217580), (40, 21434943), (51, 16811720), (60, 14289962), (68, 12608790), (85, 10087032), (102, 8405860), (120, 7144981), (136, 6304395), (170, 5043516), (204, 4202930), (255, 3362344), (340, 2521758), (408, 2101465), (510, 1681172), (680, 1260879), (1020, 840586), (2040, 420293)]