1378140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 3913728

約数和(自身を除く): 2535588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 223, 309, 412, 446, 515, 618, 669, 892, 1030, 1115, 1236, 1338, 1545, 2060, 2230, 2676, 3090, 3345, 4460, 6180, 6690, 13380, 22969, 45938, 68907, 91876, 114845, 137814, 229690, 275628, 344535, 459380, 689070, 1378140]

約数ペア:

[(1, 1378140), (2, 689070), (3, 459380), (4, 344535), (5, 275628), (6, 229690), (10, 137814), (12, 114845), (15, 91876), (20, 68907), (30, 45938), (60, 22969), (103, 13380), (206, 6690), (223, 6180), (309, 4460), (412, 3345), (446, 3090), (515, 2676), (618, 2230), (669, 2060), (892, 1545), (1030, 1338), (1115, 1236)]