153680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 381672

約数和(自身を除く): 227992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 136, 170, 226, 272, 340, 452, 565, 680, 904, 1130, 1360, 1808, 1921, 2260, 3842, 4520, 7684, 9040, 9605, 15368, 19210, 30736, 38420, 76840, 153680]

約数ペア:

[(1, 153680), (2, 76840), (4, 38420), (5, 30736), (8, 19210), (10, 15368), (16, 9605), (17, 9040), (20, 7684), (34, 4520), (40, 3842), (68, 2260), (80, 1921), (85, 1808), (113, 1360), (136, 1130), (170, 904), (226, 680), (272, 565), (340, 452)]