257196720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97423}}^1$

素因数の和:97450

約数の個数: 80

約数和(自身を含む): 869801472

約数和(自身を除く): 612604752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 97423, 194846, 292269, 389692, 487115, 584538, 779384, 974230, 1071653, 1169076, 1461345, 1558768, 1948460, 2143306, 2338152, 2922690, 3214959, 3896920, 4286612, 4676304, 5358265, 5845380, 6429918, 7793840, 8573224, 10716530, 11690760, 12859836, 16074795, 17146448, 21433060, 23381520, 25719672, 32149590, 42866120, 51439344, 64299180, 85732240, 128598360, 257196720]

約数ペア:

[(1, 257196720), (2, 128598360), (3, 85732240), (4, 64299180), (5, 51439344), (6, 42866120), (8, 32149590), (10, 25719672), (11, 23381520), (12, 21433060), (15, 17146448), (16, 16074795), (20, 12859836), (22, 11690760), (24, 10716530), (30, 8573224), (33, 7793840), (40, 6429918), (44, 5845380), (48, 5358265), (55, 4676304), (60, 4286612), (66, 3896920), (80, 3214959), (88, 2922690), (110, 2338152), (120, 2143306), (132, 1948460), (165, 1558768), (176, 1461345), (220, 1169076), (240, 1071653), (264, 974230), (330, 779384), (440, 584538), (528, 487115), (660, 389692), (880, 292269), (1320, 194846), (2640, 97423)]