255133340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15061}}^1$

素因数の和:15099

約数の個数: 72

約数和(自身を含む): 673090656

約数和(自身を除く): 417957316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 15061, 16940, 30122, 60244, 75305, 105427, 150610, 165671, 210854, 301220, 331342, 421708, 527135, 662684, 828355, 1054270, 1159697, 1656710, 1822381, 2108540, 2319394, 3313420, 3644762, 4638788, 5798485, 7289524, 9111905, 11596970, 12756667, 18223810, 23193940, 25513334, 36447620, 51026668, 63783335, 127566670, 255133340]

約数ペア:

[(1, 255133340), (2, 127566670), (4, 63783335), (5, 51026668), (7, 36447620), (10, 25513334), (11, 23193940), (14, 18223810), (20, 12756667), (22, 11596970), (28, 9111905), (35, 7289524), (44, 5798485), (55, 4638788), (70, 3644762), (77, 3313420), (110, 2319394), (121, 2108540), (140, 1822381), (154, 1656710), (220, 1159697), (242, 1054270), (308, 828355), (385, 662684), (484, 527135), (605, 421708), (770, 331342), (847, 301220), (1210, 210854), (1540, 165671), (1694, 150610), (2420, 105427), (3388, 75305), (4235, 60244), (8470, 30122), (15061, 16940)]