90868960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 267605856

約数和(自身を除く): 176736896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 160, 182, 208, 224, 260, 280, 316, 364, 395, 416, 455, 520, 553, 560, 632, 728, 790, 910, 1027, 1040, 1106, 1120, 1264, 1456, 1580, 1820, 2054, 2080, 2212, 2528, 2765, 2912, 3160, 3640, 4108, 4424, 5135, 5530, 6241, 6320, 7189, 7280, 8216, 8848, 10270, 11060, 12482, 12640, 14378, 14560, 16432, 17696, 20540, 22120, 24964, 28756, 31205, 32864, 35945, 41080, 43687, 44240, 49928, 57512, 62410, 71890, 81133, 82160, 87374, 88480, 99856, 115024, 124820, 143780, 162266, 164320, 174748, 199712, 218435, 230048, 249640, 287560, 324532, 349496, 405665, 436870, 499280, 567931, 575120, 649064, 698992, 811330, 873740, 998560, 1135862, 1150240, 1298128, 1397984, 1622660, 1747480, 2271724, 2596256, 2839655, 3245320, 3494960, 4543448, 5679310, 6490640, 6989920, 9086896, 11358620, 12981280, 18173792, 22717240, 45434480, 90868960]

約数ペア:

[(1, 90868960), (2, 45434480), (4, 22717240), (5, 18173792), (7, 12981280), (8, 11358620), (10, 9086896), (13, 6989920), (14, 6490640), (16, 5679310), (20, 4543448), (26, 3494960), (28, 3245320), (32, 2839655), (35, 2596256), (40, 2271724), (52, 1747480), (56, 1622660), (65, 1397984), (70, 1298128), (79, 1150240), (80, 1135862), (91, 998560), (104, 873740), (112, 811330), (130, 698992), (140, 649064), (158, 575120), (160, 567931), (182, 499280), (208, 436870), (224, 405665), (260, 349496), (280, 324532), (316, 287560), (364, 249640), (395, 230048), (416, 218435), (455, 199712), (520, 174748), (553, 164320), (560, 162266), (632, 143780), (728, 124820), (790, 115024), (910, 99856), (1027, 88480), (1040, 87374), (1106, 82160), (1120, 81133), (1264, 71890), (1456, 62410), (1580, 57512), (1820, 49928), (2054, 44240), (2080, 43687), (2212, 41080), (2528, 35945), (2765, 32864), (2912, 31205), (3160, 28756), (3640, 24964), (4108, 22120), (4424, 20540), (5135, 17696), (5530, 16432), (6241, 14560), (6320, 14378), (7189, 12640), (7280, 12482), (8216, 11060), (8848, 10270)]