67867760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 163843680

約数和(自身を除く): 95975920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 109, 172, 181, 215, 218, 344, 362, 430, 436, 545, 688, 724, 860, 872, 905, 1090, 1448, 1720, 1744, 1810, 2180, 2896, 3440, 3620, 4360, 4687, 7240, 7783, 8720, 9374, 14480, 15566, 18748, 19729, 23435, 31132, 37496, 38915, 39458, 46870, 62264, 74992, 77830, 78916, 93740, 98645, 124528, 155660, 157832, 187480, 197290, 311320, 315664, 374960, 394580, 622640, 789160, 848347, 1578320, 1696694, 3393388, 4241735, 6786776, 8483470, 13573552, 16966940, 33933880, 67867760]

約数ペア:

[(1, 67867760), (2, 33933880), (4, 16966940), (5, 13573552), (8, 8483470), (10, 6786776), (16, 4241735), (20, 3393388), (40, 1696694), (43, 1578320), (80, 848347), (86, 789160), (109, 622640), (172, 394580), (181, 374960), (215, 315664), (218, 311320), (344, 197290), (362, 187480), (430, 157832), (436, 155660), (545, 124528), (688, 98645), (724, 93740), (860, 78916), (872, 77830), (905, 74992), (1090, 62264), (1448, 46870), (1720, 39458), (1744, 38915), (1810, 37496), (2180, 31132), (2896, 23435), (3440, 19729), (3620, 18748), (4360, 15566), (4687, 14480), (7240, 9374), (7783, 8720)]