205142760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{189947}}^1$

素因数の和:189967

約数の個数: 64

約数和(自身を含む): 683812800

約数和(自身を除く): 478670040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 189947, 379894, 569841, 759788, 949735, 1139682, 1519576, 1709523, 1899470, 2279364, 2849205, 3419046, 3798940, 4558728, 5128569, 5698410, 6838092, 7597880, 8547615, 10257138, 11396820, 13676184, 17095230, 20514276, 22793640, 25642845, 34190460, 41028552, 51285690, 68380920, 102571380, 205142760]

約数ペア:

[(1, 205142760), (2, 102571380), (3, 68380920), (4, 51285690), (5, 41028552), (6, 34190460), (8, 25642845), (9, 22793640), (10, 20514276), (12, 17095230), (15, 13676184), (18, 11396820), (20, 10257138), (24, 8547615), (27, 7597880), (30, 6838092), (36, 5698410), (40, 5128569), (45, 4558728), (54, 3798940), (60, 3419046), (72, 2849205), (90, 2279364), (108, 1899470), (120, 1709523), (135, 1519576), (180, 1139682), (216, 949735), (270, 759788), (360, 569841), (540, 379894), (1080, 189947)]