31569680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 78744960

約数和(自身を除く): 47175280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 167, 170, 272, 278, 334, 340, 556, 668, 680, 695, 835, 1112, 1336, 1360, 1390, 1670, 2224, 2363, 2672, 2780, 2839, 3340, 4726, 5560, 5678, 6680, 9452, 11120, 11356, 11815, 13360, 14195, 18904, 22712, 23213, 23630, 28390, 37808, 45424, 46426, 47260, 56780, 92852, 94520, 113560, 116065, 185704, 189040, 227120, 232130, 371408, 394621, 464260, 789242, 928520, 1578484, 1857040, 1973105, 3156968, 3946210, 6313936, 7892420, 15784840, 31569680]

約数ペア:

[(1, 31569680), (2, 15784840), (4, 7892420), (5, 6313936), (8, 3946210), (10, 3156968), (16, 1973105), (17, 1857040), (20, 1578484), (34, 928520), (40, 789242), (68, 464260), (80, 394621), (85, 371408), (136, 232130), (139, 227120), (167, 189040), (170, 185704), (272, 116065), (278, 113560), (334, 94520), (340, 92852), (556, 56780), (668, 47260), (680, 46426), (695, 45424), (835, 37808), (1112, 28390), (1336, 23630), (1360, 23213), (1390, 22712), (1670, 18904), (2224, 14195), (2363, 13360), (2672, 11815), (2780, 11356), (2839, 11120), (3340, 9452), (4726, 6680), (5560, 5678)]