164902040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 394709760

約数和(自身を除く): 229807720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 281, 340, 562, 680, 863, 1124, 1405, 1726, 2248, 2810, 3452, 4315, 4777, 5620, 6904, 8630, 9554, 11240, 14671, 17260, 19108, 23885, 29342, 34520, 38216, 47770, 58684, 73355, 95540, 117368, 146710, 191080, 242503, 293420, 485006, 586840, 970012, 1212515, 1940024, 2425030, 4122551, 4850060, 8245102, 9700120, 16490204, 20612755, 32980408, 41225510, 82451020, 164902040]

約数ペア:

[(1, 164902040), (2, 82451020), (4, 41225510), (5, 32980408), (8, 20612755), (10, 16490204), (17, 9700120), (20, 8245102), (34, 4850060), (40, 4122551), (68, 2425030), (85, 1940024), (136, 1212515), (170, 970012), (281, 586840), (340, 485006), (562, 293420), (680, 242503), (863, 191080), (1124, 146710), (1405, 117368), (1726, 95540), (2248, 73355), (2810, 58684), (3452, 47770), (4315, 38216), (4777, 34520), (5620, 29342), (6904, 23885), (8630, 19108), (9554, 17260), (11240, 14671)]