2066640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 6547200

約数和(自身を除く): 4480560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 109, 120, 158, 218, 237, 240, 316, 327, 395, 436, 474, 545, 632, 654, 790, 872, 948, 1090, 1185, 1264, 1308, 1580, 1635, 1744, 1896, 2180, 2370, 2616, 3160, 3270, 3792, 4360, 4740, 5232, 6320, 6540, 8611, 8720, 9480, 13080, 17222, 18960, 25833, 26160, 34444, 43055, 51666, 68888, 86110, 103332, 129165, 137776, 172220, 206664, 258330, 344440, 413328, 516660, 688880, 1033320, 2066640]

約数ペア:

[(1, 2066640), (2, 1033320), (3, 688880), (4, 516660), (5, 413328), (6, 344440), (8, 258330), (10, 206664), (12, 172220), (15, 137776), (16, 129165), (20, 103332), (24, 86110), (30, 68888), (40, 51666), (48, 43055), (60, 34444), (79, 26160), (80, 25833), (109, 18960), (120, 17222), (158, 13080), (218, 9480), (237, 8720), (240, 8611), (316, 6540), (327, 6320), (395, 5232), (436, 4740), (474, 4360), (545, 3792), (632, 3270), (654, 3160), (790, 2616), (872, 2370), (948, 2180), (1090, 1896), (1185, 1744), (1264, 1635), (1308, 1580)]