1306280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 3149820

約数和(自身を除く): 1843540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 289, 340, 452, 565, 578, 680, 904, 1130, 1156, 1445, 1921, 2260, 2312, 2890, 3842, 4520, 5780, 7684, 9605, 11560, 15368, 19210, 32657, 38420, 65314, 76840, 130628, 163285, 261256, 326570, 653140, 1306280]

約数ペア:

[(1, 1306280), (2, 653140), (4, 326570), (5, 261256), (8, 163285), (10, 130628), (17, 76840), (20, 65314), (34, 38420), (40, 32657), (68, 19210), (85, 15368), (113, 11560), (136, 9605), (170, 7684), (226, 5780), (289, 4520), (340, 3842), (452, 2890), (565, 2312), (578, 2260), (680, 1921), (904, 1445), (1130, 1156)]