65087120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1728

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 110401648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1637, 1988, 2485, 2840, 3274, 3976, 4970, 5680, 6548, 7952, 8185, 9940, 11459, 13096, 16370, 19880, 22918, 26192, 32740, 39760, 45836, 57295, 65480, 91672, 114590, 116227, 130960, 183344, 229180, 232454, 458360, 464908, 581135, 813589, 916720, 929816, 1162270, 1627178, 1859632, 2324540, 3254356, 4067945, 4649080, 6508712, 8135890, 9298160, 13017424, 16271780, 32543560, 65087120]

約数ペア:

[(1, 65087120), (2, 32543560), (4, 16271780), (5, 13017424), (7, 9298160), (8, 8135890), (10, 6508712), (14, 4649080), (16, 4067945), (20, 3254356), (28, 2324540), (35, 1859632), (40, 1627178), (56, 1162270), (70, 929816), (71, 916720), (80, 813589), (112, 581135), (140, 464908), (142, 458360), (280, 232454), (284, 229180), (355, 183344), (497, 130960), (560, 116227), (568, 114590), (710, 91672), (994, 65480), (1136, 57295), (1420, 45836), (1637, 39760), (1988, 32740), (2485, 26192), (2840, 22918), (3274, 19880), (3976, 16370), (4970, 13096), (5680, 11459), (6548, 9940), (7952, 8185)]