280388640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{83449}}^1$

素因数の和:83474

約数の個数: 96

約数和(自身を含む): 1009411200

約数和(自身を除く): 729022560

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, 83449, 166898, 250347, 333796, 417245, 500694, 584143, 667592, 834490, 1001388, 1168286, 1251735, 1335184, 1668980, 1752429, 2002776, 2336572, 2503470, 2670368, 2920715, 3337960, 3504858, 4005552, 4673144, 5006940, 5841430, 6675920, 7009716, 8011104, 8762145, 9346288, 10013880, 11682860, 13351840, 14019432, 17524290, 18692576, 20027760, 23365720, 28038864, 35048580, 40055520, 46731440, 56077728, 70097160, 93462880, 140194320, 280388640]

約数ペア:

[(1, 280388640), (2, 140194320), (3, 93462880), (4, 70097160), (5, 56077728), (6, 46731440), (7, 40055520), (8, 35048580), (10, 28038864), (12, 23365720), (14, 20027760), (15, 18692576), (16, 17524290), (20, 14019432), (21, 13351840), (24, 11682860), (28, 10013880), (30, 9346288), (32, 8762145), (35, 8011104), (40, 7009716), (42, 6675920), (48, 5841430), (56, 5006940), (60, 4673144), (70, 4005552), (80, 3504858), (84, 3337960), (96, 2920715), (105, 2670368), (112, 2503470), (120, 2336572), (140, 2002776), (160, 1752429), (168, 1668980), (210, 1335184), (224, 1251735), (240, 1168286), (280, 1001388), (336, 834490), (420, 667592), (480, 584143), (560, 500694), (672, 417245), (840, 333796), (1120, 250347), (1680, 166898), (3360, 83449)]