81361728

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1229

約数の個数: 168

約数和(自身を含む): 282439872

約数和(自身を除く): 201078144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 192, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 448, 476, 504, 544, 576, 612, 672, 714, 816, 952, 1008, 1071, 1088, 1187, 1224, 1344, 1428, 1632, 1904, 2016, 2142, 2374, 2448, 2856, 3264, 3561, 3808, 4032, 4284, 4748, 4896, 5712, 7122, 7616, 8309, 8568, 9496, 9792, 10683, 11424, 14244, 16618, 17136, 18992, 20179, 21366, 22848, 24927, 28488, 33236, 34272, 37984, 40358, 42732, 49854, 56976, 60537, 66472, 68544, 74781, 75968, 80716, 85464, 99708, 113952, 121074, 132944, 141253, 149562, 161432, 170928, 181611, 199416, 227904, 242148, 265888, 282506, 299124, 322864, 341856, 363222, 398832, 423759, 484296, 531776, 565012, 598248, 645728, 683712, 726444, 797664, 847518, 968592, 1130024, 1196496, 1271277, 1291456, 1452888, 1595328, 1695036, 1937184, 2260048, 2392992, 2542554, 2905776, 3390072, 3874368, 4520096, 4785984, 5085108, 5811552, 6780144, 9040192, 10170216, 11623104, 13560288, 20340432, 27120576, 40680864, 81361728]

約数ペア:

[(1, 81361728), (2, 40680864), (3, 27120576), (4, 20340432), (6, 13560288), (7, 11623104), (8, 10170216), (9, 9040192), (12, 6780144), (14, 5811552), (16, 5085108), (17, 4785984), (18, 4520096), (21, 3874368), (24, 3390072), (28, 2905776), (32, 2542554), (34, 2392992), (36, 2260048), (42, 1937184), (48, 1695036), (51, 1595328), (56, 1452888), (63, 1291456), (64, 1271277), (68, 1196496), (72, 1130024), (84, 968592), (96, 847518), (102, 797664), (112, 726444), (119, 683712), (126, 645728), (136, 598248), (144, 565012), (153, 531776), (168, 484296), (192, 423759), (204, 398832), (224, 363222), (238, 341856), (252, 322864), (272, 299124), (288, 282506), (306, 265888), (336, 242148), (357, 227904), (408, 199416), (448, 181611), (476, 170928), (504, 161432), (544, 149562), (576, 141253), (612, 132944), (672, 121074), (714, 113952), (816, 99708), (952, 85464), (1008, 80716), (1071, 75968), (1088, 74781), (1187, 68544), (1224, 66472), (1344, 60537), (1428, 56976), (1632, 49854), (1904, 42732), (2016, 40358), (2142, 37984), (2374, 34272), (2448, 33236), (2856, 28488), (3264, 24927), (3561, 22848), (3808, 21366), (4032, 20179), (4284, 18992), (4748, 17136), (4896, 16618), (5712, 14244), (7122, 11424), (7616, 10683), (8309, 9792), (8568, 9496)]