8718078780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{24229}}^1$

素因数の和:26243

約数の個数: 72

約数和(自身を含む): 26459160000

約数和(自身を除く): 17741081220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1999, 3998, 5997, 7996, 9995, 11994, 17991, 19990, 23988, 24229, 29985, 35982, 39980, 48458, 59970, 71964, 72687, 89955, 96916, 119940, 121145, 145374, 179910, 218061, 242290, 290748, 359820, 363435, 436122, 484580, 726870, 872244, 1090305, 1453740, 2180610, 4361220, 48433771, 96867542, 145301313, 193735084, 242168855, 290602626, 435903939, 484337710, 581205252, 726506565, 871807878, 968675420, 1453013130, 1743615756, 2179519695, 2906026260, 4359039390, 8718078780]

約数ペア:

[(1, 8718078780), (2, 4359039390), (3, 2906026260), (4, 2179519695), (5, 1743615756), (6, 1453013130), (9, 968675420), (10, 871807878), (12, 726506565), (15, 581205252), (18, 484337710), (20, 435903939), (30, 290602626), (36, 242168855), (45, 193735084), (60, 145301313), (90, 96867542), (180, 48433771), (1999, 4361220), (3998, 2180610), (5997, 1453740), (7996, 1090305), (9995, 872244), (11994, 726870), (17991, 484580), (19990, 436122), (23988, 363435), (24229, 359820), (29985, 290748), (35982, 242290), (39980, 218061), (48458, 179910), (59970, 145374), (71964, 121145), (72687, 119940), (89955, 96916)]