51015780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2039}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 155937600

約数和(自身を除く): 104921820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2039, 2085, 2502, 2780, 4078, 4170, 5004, 6117, 6255, 8156, 8340, 10195, 12234, 12510, 18351, 20390, 24468, 25020, 30585, 36702, 40780, 61170, 73404, 91755, 122340, 183510, 283421, 367020, 566842, 850263, 1133684, 1417105, 1700526, 2550789, 2834210, 3401052, 4251315, 5101578, 5668420, 8502630, 10203156, 12753945, 17005260, 25507890, 51015780]

約数ペア:

[(1, 51015780), (2, 25507890), (3, 17005260), (4, 12753945), (5, 10203156), (6, 8502630), (9, 5668420), (10, 5101578), (12, 4251315), (15, 3401052), (18, 2834210), (20, 2550789), (30, 1700526), (36, 1417105), (45, 1133684), (60, 850263), (90, 566842), (139, 367020), (180, 283421), (278, 183510), (417, 122340), (556, 91755), (695, 73404), (834, 61170), (1251, 40780), (1390, 36702), (1668, 30585), (2039, 25020), (2085, 24468), (2502, 20390), (2780, 18351), (4078, 12510), (4170, 12234), (5004, 10195), (6117, 8340), (6255, 8156)]