15521680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 38930544

約数和(自身を除く): 23408864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 113, 136, 170, 202, 226, 272, 340, 404, 452, 505, 565, 680, 808, 904, 1010, 1130, 1360, 1616, 1717, 1808, 1921, 2020, 2260, 3434, 3842, 4040, 4520, 6868, 7684, 8080, 8585, 9040, 9605, 11413, 13736, 15368, 17170, 19210, 22826, 27472, 30736, 34340, 38420, 45652, 57065, 68680, 76840, 91304, 114130, 137360, 153680, 182608, 194021, 228260, 388042, 456520, 776084, 913040, 970105, 1552168, 1940210, 3104336, 3880420, 7760840, 15521680]

約数ペア:

[(1, 15521680), (2, 7760840), (4, 3880420), (5, 3104336), (8, 1940210), (10, 1552168), (16, 970105), (17, 913040), (20, 776084), (34, 456520), (40, 388042), (68, 228260), (80, 194021), (85, 182608), (101, 153680), (113, 137360), (136, 114130), (170, 91304), (202, 76840), (226, 68680), (272, 57065), (340, 45652), (404, 38420), (452, 34340), (505, 30736), (565, 27472), (680, 22826), (808, 19210), (904, 17170), (1010, 15368), (1130, 13736), (1360, 11413), (1616, 9605), (1717, 9040), (1808, 8585), (1921, 8080), (2020, 7684), (2260, 6868), (3434, 4520), (3842, 4040)]