123557580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8689}}^1$

素因数の和:8783

約数の個数: 72

約数和(自身を含む): 379579200

約数和(自身を除く): 256021620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 8689, 14220, 17378, 26067, 34756, 43445, 52134, 78201, 86890, 104268, 130335, 156402, 173780, 260670, 312804, 391005, 521340, 686431, 782010, 1372862, 1564020, 2059293, 2745724, 3432155, 4118586, 6177879, 6864310, 8237172, 10296465, 12355758, 13728620, 20592930, 24711516, 30889395, 41185860, 61778790, 123557580]

約数ペア:

[(1, 123557580), (2, 61778790), (3, 41185860), (4, 30889395), (5, 24711516), (6, 20592930), (9, 13728620), (10, 12355758), (12, 10296465), (15, 8237172), (18, 6864310), (20, 6177879), (30, 4118586), (36, 3432155), (45, 2745724), (60, 2059293), (79, 1564020), (90, 1372862), (158, 782010), (180, 686431), (237, 521340), (316, 391005), (395, 312804), (474, 260670), (711, 173780), (790, 156402), (948, 130335), (1185, 104268), (1422, 86890), (1580, 78201), (2370, 52134), (2844, 43445), (3555, 34756), (4740, 26067), (7110, 17378), (8689, 14220)]