131220336

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 391974912

約数和(自身を除く): 260754576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 41, 46, 48, 52, 69, 78, 82, 92, 104, 123, 138, 156, 164, 184, 208, 223, 246, 276, 299, 312, 328, 368, 446, 492, 533, 552, 598, 624, 656, 669, 892, 897, 943, 984, 1066, 1104, 1196, 1338, 1599, 1784, 1794, 1886, 1968, 2132, 2392, 2676, 2829, 2899, 3198, 3568, 3588, 3772, 4264, 4784, 5129, 5352, 5658, 5798, 6396, 7176, 7544, 8528, 8697, 9143, 10258, 10704, 11316, 11596, 12259, 12792, 14352, 15088, 15387, 17394, 18286, 20516, 22632, 23192, 24518, 25584, 27429, 30774, 34788, 36572, 36777, 41032, 45264, 46384, 49036, 54858, 61548, 66677, 69576, 73144, 73554, 82064, 98072, 109716, 118859, 123096, 133354, 139152, 146288, 147108, 196144, 200031, 210289, 219432, 237718, 246192, 266708, 294216, 356577, 400062, 420578, 438864, 475436, 533416, 588432, 630867, 713154, 800124, 841156, 950872, 1066832, 1261734, 1426308, 1600248, 1682312, 1901744, 2523468, 2733757, 2852616, 3200496, 3364624, 5046936, 5467514, 5705232, 8201271, 10093872, 10935028, 16402542, 21870056, 32805084, 43740112, 65610168, 131220336]

約数ペア:

[(1, 131220336), (2, 65610168), (3, 43740112), (4, 32805084), (6, 21870056), (8, 16402542), (12, 10935028), (13, 10093872), (16, 8201271), (23, 5705232), (24, 5467514), (26, 5046936), (39, 3364624), (41, 3200496), (46, 2852616), (48, 2733757), (52, 2523468), (69, 1901744), (78, 1682312), (82, 1600248), (92, 1426308), (104, 1261734), (123, 1066832), (138, 950872), (156, 841156), (164, 800124), (184, 713154), (208, 630867), (223, 588432), (246, 533416), (276, 475436), (299, 438864), (312, 420578), (328, 400062), (368, 356577), (446, 294216), (492, 266708), (533, 246192), (552, 237718), (598, 219432), (624, 210289), (656, 200031), (669, 196144), (892, 147108), (897, 146288), (943, 139152), (984, 133354), (1066, 123096), (1104, 118859), (1196, 109716), (1338, 98072), (1599, 82064), (1784, 73554), (1794, 73144), (1886, 69576), (1968, 66677), (2132, 61548), (2392, 54858), (2676, 49036), (2829, 46384), (2899, 45264), (3198, 41032), (3568, 36777), (3588, 36572), (3772, 34788), (4264, 30774), (4784, 27429), (5129, 25584), (5352, 24518), (5658, 23192), (5798, 22632), (6396, 20516), (7176, 18286), (7544, 17394), (8528, 15387), (8697, 15088), (9143, 14352), (10258, 12792), (10704, 12259), (11316, 11596)]