90895280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 251433312

約数和(自身を除く): 160538032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 193, 203, 232, 280, 290, 386, 406, 464, 560, 580, 772, 812, 841, 965, 1015, 1160, 1351, 1544, 1624, 1682, 1930, 2030, 2320, 2702, 3088, 3248, 3364, 3860, 4060, 4205, 5404, 5597, 5887, 6728, 6755, 7720, 8120, 8410, 10808, 11194, 11774, 13456, 13510, 15440, 16240, 16820, 21616, 22388, 23548, 27020, 27985, 29435, 33640, 39179, 44776, 47096, 54040, 55970, 58870, 67280, 78358, 89552, 94192, 108080, 111940, 117740, 156716, 162313, 195895, 223880, 235480, 313432, 324626, 391790, 447760, 470960, 626864, 649252, 783580, 811565, 1136191, 1298504, 1567160, 1623130, 2272382, 2597008, 3134320, 3246260, 4544764, 5680955, 6492520, 9089528, 11361910, 12985040, 18179056, 22723820, 45447640, 90895280]

約数ペア:

[(1, 90895280), (2, 45447640), (4, 22723820), (5, 18179056), (7, 12985040), (8, 11361910), (10, 9089528), (14, 6492520), (16, 5680955), (20, 4544764), (28, 3246260), (29, 3134320), (35, 2597008), (40, 2272382), (56, 1623130), (58, 1567160), (70, 1298504), (80, 1136191), (112, 811565), (116, 783580), (140, 649252), (145, 626864), (193, 470960), (203, 447760), (232, 391790), (280, 324626), (290, 313432), (386, 235480), (406, 223880), (464, 195895), (560, 162313), (580, 156716), (772, 117740), (812, 111940), (841, 108080), (965, 94192), (1015, 89552), (1160, 78358), (1351, 67280), (1544, 58870), (1624, 55970), (1682, 54040), (1930, 47096), (2030, 44776), (2320, 39179), (2702, 33640), (3088, 29435), (3248, 27985), (3364, 27020), (3860, 23548), (4060, 22388), (4205, 21616), (5404, 16820), (5597, 16240), (5887, 15440), (6728, 13510), (6755, 13456), (7720, 11774), (8120, 11194), (8410, 10808)]