55420020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2039}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 169303680

約数和(自身を除く): 113883660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2039, 2265, 2718, 3020, 4078, 4530, 5436, 6117, 6795, 8156, 9060, 10195, 12234, 13590, 18351, 20390, 24468, 27180, 30585, 36702, 40780, 61170, 73404, 91755, 122340, 183510, 307889, 367020, 615778, 923667, 1231556, 1539445, 1847334, 2771001, 3078890, 3694668, 4618335, 5542002, 6157780, 9236670, 11084004, 13855005, 18473340, 27710010, 55420020]

約数ペア:

[(1, 55420020), (2, 27710010), (3, 18473340), (4, 13855005), (5, 11084004), (6, 9236670), (9, 6157780), (10, 5542002), (12, 4618335), (15, 3694668), (18, 3078890), (20, 2771001), (30, 1847334), (36, 1539445), (45, 1231556), (60, 923667), (90, 615778), (151, 367020), (180, 307889), (302, 183510), (453, 122340), (604, 91755), (755, 73404), (906, 61170), (1359, 40780), (1510, 36702), (1812, 30585), (2039, 27180), (2265, 24468), (2718, 20390), (3020, 18351), (4078, 13590), (4530, 12234), (5436, 10195), (6117, 9060), (6795, 8156)]