7128647560

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1\times {\mathrm{4409}}^1$

素因数の和:4990

約数の個数: 64

約数和(自身を含む): 16269724800

約数和(自身を除く): 9141077240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 487, 664, 830, 974, 1660, 1948, 2435, 3320, 3896, 4409, 4870, 8818, 9740, 17636, 19480, 22045, 35272, 40421, 44090, 80842, 88180, 161684, 176360, 202105, 323368, 365947, 404210, 731894, 808420, 1463788, 1616840, 1829735, 2147183, 2927576, 3659470, 4294366, 7318940, 8588732, 10735915, 14637880, 17177464, 21471830, 42943660, 85887320, 178216189, 356432378, 712864756, 891080945, 1425729512, 1782161890, 3564323780, 7128647560]

約数ペア:

[(1, 7128647560), (2, 3564323780), (4, 1782161890), (5, 1425729512), (8, 891080945), (10, 712864756), (20, 356432378), (40, 178216189), (83, 85887320), (166, 42943660), (332, 21471830), (415, 17177464), (487, 14637880), (664, 10735915), (830, 8588732), (974, 7318940), (1660, 4294366), (1948, 3659470), (2435, 2927576), (3320, 2147183), (3896, 1829735), (4409, 1616840), (4870, 1463788), (8818, 808420), (9740, 731894), (17636, 404210), (19480, 365947), (22045, 323368), (35272, 202105), (40421, 176360), (44090, 161684), (80842, 88180)]