475210920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{1993}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 1427065920

約数和(自身を除く): 951855000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1987, 1993, 3974, 3986, 5961, 5979, 7948, 7972, 9935, 9965, 11922, 11958, 15896, 15944, 19870, 19930, 23844, 23916, 29805, 29895, 39740, 39860, 47688, 47832, 59610, 59790, 79480, 79720, 119220, 119580, 238440, 239160, 3960091, 7920182, 11880273, 15840364, 19800455, 23760546, 31680728, 39600910, 47521092, 59401365, 79201820, 95042184, 118802730, 158403640, 237605460, 475210920]

約数ペア:

[(1, 475210920), (2, 237605460), (3, 158403640), (4, 118802730), (5, 95042184), (6, 79201820), (8, 59401365), (10, 47521092), (12, 39600910), (15, 31680728), (20, 23760546), (24, 19800455), (30, 15840364), (40, 11880273), (60, 7920182), (120, 3960091), (1987, 239160), (1993, 238440), (3974, 119580), (3986, 119220), (5961, 79720), (5979, 79480), (7948, 59790), (7972, 59610), (9935, 47832), (9965, 47688), (11922, 39860), (11958, 39740), (15896, 29895), (15944, 29805), (19870, 23916), (19930, 23844)]