257365920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{76597}}^1$

素因数の和:76622

約数の個数: 96

約数和(自身を含む): 926529408

約数和(自身を除く): 669163488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 76597, 153194, 229791, 306388, 382985, 459582, 536179, 612776, 765970, 919164, 1072358, 1148955, 1225552, 1531940, 1608537, 1838328, 2144716, 2297910, 2451104, 2680895, 3063880, 3217074, 3676656, 4289432, 4595820, 5361790, 6127760, 6434148, 7353312, 8042685, 8578864, 9191640, 10723580, 12255520, 12868296, 16085370, 17157728, 18383280, 21447160, 25736592, 32170740, 36766560, 42894320, 51473184, 64341480, 85788640, 128682960, 257365920]

約数ペア:

[(1, 257365920), (2, 128682960), (3, 85788640), (4, 64341480), (5, 51473184), (6, 42894320), (7, 36766560), (8, 32170740), (10, 25736592), (12, 21447160), (14, 18383280), (15, 17157728), (16, 16085370), (20, 12868296), (21, 12255520), (24, 10723580), (28, 9191640), (30, 8578864), (32, 8042685), (35, 7353312), (40, 6434148), (42, 6127760), (48, 5361790), (56, 4595820), (60, 4289432), (70, 3676656), (80, 3217074), (84, 3063880), (96, 2680895), (105, 2451104), (112, 2297910), (120, 2144716), (140, 1838328), (160, 1608537), (168, 1531940), (210, 1225552), (224, 1148955), (240, 1072358), (280, 919164), (336, 765970), (420, 612776), (480, 536179), (560, 459582), (672, 382985), (840, 306388), (1120, 229791), (1680, 153194), (3360, 76597)]