18312560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 49657536

約数和(自身を除く): 31344976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 617, 742, 848, 1060, 1234, 1484, 1855, 2120, 2468, 2968, 3085, 3710, 4240, 4319, 4936, 5936, 6170, 7420, 8638, 9872, 12340, 14840, 17276, 21595, 24680, 29680, 32701, 34552, 43190, 49360, 65402, 69104, 86380, 130804, 163505, 172760, 228907, 261608, 327010, 345520, 457814, 523216, 654020, 915628, 1144535, 1308040, 1831256, 2289070, 2616080, 3662512, 4578140, 9156280, 18312560]

約数ペア:

[(1, 18312560), (2, 9156280), (4, 4578140), (5, 3662512), (7, 2616080), (8, 2289070), (10, 1831256), (14, 1308040), (16, 1144535), (20, 915628), (28, 654020), (35, 523216), (40, 457814), (53, 345520), (56, 327010), (70, 261608), (80, 228907), (106, 172760), (112, 163505), (140, 130804), (212, 86380), (265, 69104), (280, 65402), (371, 49360), (424, 43190), (530, 34552), (560, 32701), (617, 29680), (742, 24680), (848, 21595), (1060, 17276), (1234, 14840), (1484, 12340), (1855, 9872), (2120, 8638), (2468, 7420), (2968, 6170), (3085, 5936), (3710, 4936), (4240, 4319)]