268809680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1013}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 651815424

約数和(自身を除く): 383005744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 107, 124, 155, 214, 248, 310, 428, 496, 535, 620, 856, 1013, 1070, 1240, 1712, 2026, 2140, 2480, 3317, 4052, 4280, 5065, 6634, 8104, 8560, 10130, 13268, 16208, 16585, 20260, 26536, 31403, 33170, 40520, 53072, 62806, 66340, 81040, 108391, 125612, 132680, 157015, 216782, 251224, 265360, 314030, 433564, 502448, 541955, 628060, 867128, 1083910, 1256120, 1734256, 2167820, 2512240, 3360121, 4335640, 6720242, 8671280, 13440484, 16800605, 26880968, 33601210, 53761936, 67202420, 134404840, 268809680]

約数ペア:

[(1, 268809680), (2, 134404840), (4, 67202420), (5, 53761936), (8, 33601210), (10, 26880968), (16, 16800605), (20, 13440484), (31, 8671280), (40, 6720242), (62, 4335640), (80, 3360121), (107, 2512240), (124, 2167820), (155, 1734256), (214, 1256120), (248, 1083910), (310, 867128), (428, 628060), (496, 541955), (535, 502448), (620, 433564), (856, 314030), (1013, 265360), (1070, 251224), (1240, 216782), (1712, 157015), (2026, 132680), (2140, 125612), (2480, 108391), (3317, 81040), (4052, 66340), (4280, 62806), (5065, 53072), (6634, 40520), (8104, 33170), (8560, 31403), (10130, 26536), (13268, 20260), (16208, 16585)]