420786880

素因数分解:

$2^6\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2311}}^1$

素因数の和:2897

約数の個数: 56

約数和(自身を含む): 1004194080

約数和(自身を除く): 583407200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 569, 1138, 2276, 2311, 2845, 4552, 4622, 5690, 9104, 9244, 11380, 11555, 18208, 18488, 22760, 23110, 36416, 36976, 45520, 46220, 73952, 91040, 92440, 147904, 182080, 184880, 369760, 739520, 1314959, 2629918, 5259836, 6574795, 10519672, 13149590, 21039344, 26299180, 42078688, 52598360, 84157376, 105196720, 210393440, 420786880]

約数ペア:

[(1, 420786880), (2, 210393440), (4, 105196720), (5, 84157376), (8, 52598360), (10, 42078688), (16, 26299180), (20, 21039344), (32, 13149590), (40, 10519672), (64, 6574795), (80, 5259836), (160, 2629918), (320, 1314959), (569, 739520), (1138, 369760), (2276, 184880), (2311, 182080), (2845, 147904), (4552, 92440), (4622, 91040), (5690, 73952), (9104, 46220), (9244, 45520), (11380, 36976), (11555, 36416), (18208, 23110), (18488, 22760)]