666516780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22717}}^1$

素因数の和:22895

約数の個数: 72

約数和(自身を含む): 2034260592

約数和(自身を除く): 1367743812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 9780, 14670, 22717, 29340, 45434, 68151, 90868, 113585, 136302, 204453, 227170, 272604, 340755, 408906, 454340, 681510, 817812, 1022265, 1363020, 2044530, 3702871, 4089060, 7405742, 11108613, 14811484, 18514355, 22217226, 33325839, 37028710, 44434452, 55543065, 66651678, 74057420, 111086130, 133303356, 166629195, 222172260, 333258390, 666516780]

約数ペア:

[(1, 666516780), (2, 333258390), (3, 222172260), (4, 166629195), (5, 133303356), (6, 111086130), (9, 74057420), (10, 66651678), (12, 55543065), (15, 44434452), (18, 37028710), (20, 33325839), (30, 22217226), (36, 18514355), (45, 14811484), (60, 11108613), (90, 7405742), (163, 4089060), (180, 3702871), (326, 2044530), (489, 1363020), (652, 1022265), (815, 817812), (978, 681510), (1467, 454340), (1630, 408906), (1956, 340755), (2445, 272604), (2934, 227170), (3260, 204453), (4890, 136302), (5868, 113585), (7335, 90868), (9780, 68151), (14670, 45434), (22717, 29340)]