81657780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9013}}^1$

素因数の和:9176

約数の個数: 48

約数和(自身を含む): 230181504

約数和(自身を除く): 148523724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2265, 3020, 4530, 9013, 9060, 18026, 27039, 36052, 45065, 54078, 90130, 108156, 135195, 180260, 270390, 540780, 1360963, 2721926, 4082889, 5443852, 6804815, 8165778, 13609630, 16331556, 20414445, 27219260, 40828890, 81657780]

約数ペア:

[(1, 81657780), (2, 40828890), (3, 27219260), (4, 20414445), (5, 16331556), (6, 13609630), (10, 8165778), (12, 6804815), (15, 5443852), (20, 4082889), (30, 2721926), (60, 1360963), (151, 540780), (302, 270390), (453, 180260), (604, 135195), (755, 108156), (906, 90130), (1510, 54078), (1812, 45065), (2265, 36052), (3020, 27039), (4530, 18026), (9013, 9060)]