256301520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62819}}^1$

素因数の和:62852

約数の個数: 80

約数和(自身を含む): 841285440

約数和(自身を除く): 584983920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 62819, 125638, 188457, 251276, 314095, 376914, 502552, 628190, 753828, 942285, 1005104, 1067923, 1256380, 1507656, 1884570, 2135846, 2512760, 3015312, 3203769, 3769140, 4271692, 5025520, 5339615, 6407538, 7538280, 8543384, 10679230, 12815076, 15076560, 16018845, 17086768, 21358460, 25630152, 32037690, 42716920, 51260304, 64075380, 85433840, 128150760, 256301520]

約数ペア:

[(1, 256301520), (2, 128150760), (3, 85433840), (4, 64075380), (5, 51260304), (6, 42716920), (8, 32037690), (10, 25630152), (12, 21358460), (15, 17086768), (16, 16018845), (17, 15076560), (20, 12815076), (24, 10679230), (30, 8543384), (34, 7538280), (40, 6407538), (48, 5339615), (51, 5025520), (60, 4271692), (68, 3769140), (80, 3203769), (85, 3015312), (102, 2512760), (120, 2135846), (136, 1884570), (170, 1507656), (204, 1256380), (240, 1067923), (255, 1005104), (272, 942285), (340, 753828), (408, 628190), (510, 502552), (680, 376914), (816, 314095), (1020, 251276), (1360, 188457), (2040, 125638), (4080, 62819)]