67472680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 167572800

約数和(自身を除く): 100100120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1723, 1780, 1958, 3446, 3560, 3916, 4895, 6892, 7832, 8615, 9790, 13784, 17230, 18953, 19580, 34460, 37906, 39160, 68920, 75812, 94765, 151624, 153347, 189530, 306694, 379060, 613388, 758120, 766735, 1226776, 1533470, 1686817, 3066940, 3373634, 6133880, 6747268, 8434085, 13494536, 16868170, 33736340, 67472680]

約数ペア:

[(1, 67472680), (2, 33736340), (4, 16868170), (5, 13494536), (8, 8434085), (10, 6747268), (11, 6133880), (20, 3373634), (22, 3066940), (40, 1686817), (44, 1533470), (55, 1226776), (88, 766735), (89, 758120), (110, 613388), (178, 379060), (220, 306694), (356, 189530), (440, 153347), (445, 151624), (712, 94765), (890, 75812), (979, 68920), (1723, 39160), (1780, 37906), (1958, 34460), (3446, 19580), (3560, 18953), (3916, 17230), (4895, 13784), (6892, 9790), (7832, 8615)]