1818120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 5544000

約数和(自身を除く): 3725880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 139, 218, 278, 327, 417, 436, 545, 556, 654, 695, 834, 872, 1090, 1112, 1308, 1390, 1635, 1668, 2085, 2180, 2616, 2780, 3270, 3336, 4170, 4360, 5560, 6540, 8340, 13080, 15151, 16680, 30302, 45453, 60604, 75755, 90906, 121208, 151510, 181812, 227265, 303020, 363624, 454530, 606040, 909060, 1818120]

約数ペア:

[(1, 1818120), (2, 909060), (3, 606040), (4, 454530), (5, 363624), (6, 303020), (8, 227265), (10, 181812), (12, 151510), (15, 121208), (20, 90906), (24, 75755), (30, 60604), (40, 45453), (60, 30302), (109, 16680), (120, 15151), (139, 13080), (218, 8340), (278, 6540), (327, 5560), (417, 4360), (436, 4170), (545, 3336), (556, 3270), (654, 2780), (695, 2616), (834, 2180), (872, 2085), (1090, 1668), (1112, 1635), (1308, 1390)]