81917136

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 272363520

約数和(自身を除く): 190446384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 103, 108, 112, 126, 144, 168, 189, 206, 216, 252, 263, 309, 336, 378, 412, 432, 504, 526, 618, 721, 756, 789, 824, 927, 1008, 1052, 1236, 1442, 1512, 1578, 1648, 1841, 1854, 2104, 2163, 2367, 2472, 2781, 2884, 3024, 3156, 3682, 3708, 4208, 4326, 4734, 4944, 5523, 5562, 5768, 6312, 6489, 7101, 7364, 7416, 8652, 9468, 11046, 11124, 11536, 12624, 12978, 14202, 14728, 14832, 16569, 17304, 18936, 19467, 22092, 22248, 25956, 27089, 28404, 29456, 33138, 34608, 37872, 38934, 44184, 44496, 49707, 51912, 54178, 56808, 66276, 77868, 81267, 88368, 99414, 103824, 108356, 113616, 132552, 155736, 162534, 189623, 198828, 216712, 243801, 265104, 311472, 325068, 379246, 397656, 433424, 487602, 568869, 650136, 731403, 758492, 795312, 975204, 1137738, 1300272, 1462806, 1516984, 1706607, 1950408, 2275476, 2925612, 3033968, 3413214, 3900816, 4550952, 5119821, 5851224, 6826428, 9101904, 10239642, 11702448, 13652856, 20479284, 27305712, 40958568, 81917136]

約数ペア:

[(1, 81917136), (2, 40958568), (3, 27305712), (4, 20479284), (6, 13652856), (7, 11702448), (8, 10239642), (9, 9101904), (12, 6826428), (14, 5851224), (16, 5119821), (18, 4550952), (21, 3900816), (24, 3413214), (27, 3033968), (28, 2925612), (36, 2275476), (42, 1950408), (48, 1706607), (54, 1516984), (56, 1462806), (63, 1300272), (72, 1137738), (84, 975204), (103, 795312), (108, 758492), (112, 731403), (126, 650136), (144, 568869), (168, 487602), (189, 433424), (206, 397656), (216, 379246), (252, 325068), (263, 311472), (309, 265104), (336, 243801), (378, 216712), (412, 198828), (432, 189623), (504, 162534), (526, 155736), (618, 132552), (721, 113616), (756, 108356), (789, 103824), (824, 99414), (927, 88368), (1008, 81267), (1052, 77868), (1236, 66276), (1442, 56808), (1512, 54178), (1578, 51912), (1648, 49707), (1841, 44496), (1854, 44184), (2104, 38934), (2163, 37872), (2367, 34608), (2472, 33138), (2781, 29456), (2884, 28404), (3024, 27089), (3156, 25956), (3682, 22248), (3708, 22092), (4208, 19467), (4326, 18936), (4734, 17304), (4944, 16569), (5523, 14832), (5562, 14728), (5768, 14202), (6312, 12978), (6489, 12624), (7101, 11536), (7364, 11124), (7416, 11046), (8652, 9468)]