81480672

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3145

約数の個数: 144

約数和(自身を含む): 285274080

約数和(自身を除く): 203793408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3109, 3276, 3744, 4368, 6218, 6552, 8736, 9327, 12436, 13104, 18654, 21763, 24872, 26208, 27981, 37308, 40417, 43526, 49744, 55962, 65289, 74616, 80834, 87052, 99488, 111924, 121251, 130578, 149232, 161668, 174104, 195867, 223848, 242502, 261156, 282919, 298464, 323336, 348208, 363753, 391734, 447696, 485004, 522312, 565838, 646672, 696416, 727506, 783468, 848757, 895392, 970008, 1044624, 1131676, 1293344, 1455012, 1566936, 1697514, 1940016, 2089248, 2263352, 2546271, 2910024, 3133872, 3395028, 3880032, 4526704, 5092542, 5820048, 6267744, 6790056, 9053408, 10185084, 11640096, 13580112, 20370168, 27160224, 40740336, 81480672]

約数ペア:

[(1, 81480672), (2, 40740336), (3, 27160224), (4, 20370168), (6, 13580112), (7, 11640096), (8, 10185084), (9, 9053408), (12, 6790056), (13, 6267744), (14, 5820048), (16, 5092542), (18, 4526704), (21, 3880032), (24, 3395028), (26, 3133872), (28, 2910024), (32, 2546271), (36, 2263352), (39, 2089248), (42, 1940016), (48, 1697514), (52, 1566936), (56, 1455012), (63, 1293344), (72, 1131676), (78, 1044624), (84, 970008), (91, 895392), (96, 848757), (104, 783468), (112, 727506), (117, 696416), (126, 646672), (144, 565838), (156, 522312), (168, 485004), (182, 447696), (208, 391734), (224, 363753), (234, 348208), (252, 323336), (273, 298464), (288, 282919), (312, 261156), (336, 242502), (364, 223848), (416, 195867), (468, 174104), (504, 161668), (546, 149232), (624, 130578), (672, 121251), (728, 111924), (819, 99488), (936, 87052), (1008, 80834), (1092, 74616), (1248, 65289), (1456, 55962), (1638, 49744), (1872, 43526), (2016, 40417), (2184, 37308), (2912, 27981), (3109, 26208), (3276, 24872), (3744, 21763), (4368, 18654), (6218, 13104), (6552, 12436), (8736, 9327)]