640031660748

素因数分解:

$2^2\times 3^3\times {\mathrm{661187}}^1\times {\mathrm{8963}}^1$

素因数の和:670163

約数の個数: 48

約数和(自身を含む): 1659528984960

約数和(自身を除く): 1019497324212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 8963, 17926, 26889, 35852, 53778, 80667, 107556, 161334, 242001, 322668, 484002, 661187, 968004, 1322374, 1983561, 2644748, 3967122, 5950683, 7934244, 11901366, 17852049, 23802732, 35704098, 71408196, 5926219081, 11852438162, 17778657243, 23704876324, 35557314486, 53335971729, 71114628972, 106671943458, 160007915187, 213343886916, 320015830374, 640031660748]

約数ペア:

[(1, 640031660748), (2, 320015830374), (3, 213343886916), (4, 160007915187), (6, 106671943458), (9, 71114628972), (12, 53335971729), (18, 35557314486), (27, 23704876324), (36, 17778657243), (54, 11852438162), (108, 5926219081), (8963, 71408196), (17926, 35704098), (26889, 23802732), (35852, 17852049), (53778, 11901366), (80667, 7934244), (107556, 5950683), (161334, 3967122), (242001, 2644748), (322668, 1983561), (484002, 1322374), (661187, 968004)]