61529480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 142490880

約数和(自身を除く): 80961400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 151, 167, 244, 302, 305, 334, 488, 604, 610, 668, 755, 835, 1208, 1220, 1336, 1510, 1670, 2440, 3020, 3340, 6040, 6680, 9211, 10187, 18422, 20374, 25217, 36844, 40748, 46055, 50434, 50935, 73688, 81496, 92110, 100868, 101870, 126085, 184220, 201736, 203740, 252170, 368440, 407480, 504340, 1008680, 1538237, 3076474, 6152948, 7691185, 12305896, 15382370, 30764740, 61529480]

約数ペア:

[(1, 61529480), (2, 30764740), (4, 15382370), (5, 12305896), (8, 7691185), (10, 6152948), (20, 3076474), (40, 1538237), (61, 1008680), (122, 504340), (151, 407480), (167, 368440), (244, 252170), (302, 203740), (305, 201736), (334, 184220), (488, 126085), (604, 101870), (610, 100868), (668, 92110), (755, 81496), (835, 73688), (1208, 50935), (1220, 50434), (1336, 46055), (1510, 40748), (1670, 36844), (2440, 25217), (3020, 20374), (3340, 18422), (6040, 10187), (6680, 9211)]