81377568

素因数分解:

$2^5\times 3^3\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 240045120

約数和(自身を除く): 158667552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 97, 108, 144, 194, 216, 288, 291, 388, 432, 582, 776, 864, 873, 971, 1164, 1552, 1746, 1942, 2328, 2619, 2913, 3104, 3492, 3884, 4656, 5238, 5826, 6984, 7768, 8739, 9312, 10476, 11652, 13968, 15536, 17478, 20952, 23304, 26217, 27936, 31072, 34956, 41904, 46608, 52434, 69912, 83808, 93216, 94187, 104868, 139824, 188374, 209736, 279648, 282561, 376748, 419472, 565122, 753496, 838944, 847683, 1130244, 1506992, 1695366, 2260488, 2543049, 3013984, 3390732, 4520976, 5086098, 6781464, 9041952, 10172196, 13562928, 20344392, 27125856, 40688784, 81377568]

約数ペア:

[(1, 81377568), (2, 40688784), (3, 27125856), (4, 20344392), (6, 13562928), (8, 10172196), (9, 9041952), (12, 6781464), (16, 5086098), (18, 4520976), (24, 3390732), (27, 3013984), (32, 2543049), (36, 2260488), (48, 1695366), (54, 1506992), (72, 1130244), (96, 847683), (97, 838944), (108, 753496), (144, 565122), (194, 419472), (216, 376748), (288, 282561), (291, 279648), (388, 209736), (432, 188374), (582, 139824), (776, 104868), (864, 94187), (873, 93216), (971, 83808), (1164, 69912), (1552, 52434), (1746, 46608), (1942, 41904), (2328, 34956), (2619, 31072), (2913, 27936), (3104, 26217), (3492, 23304), (3884, 20952), (4656, 17478), (5238, 15536), (5826, 13968), (6984, 11652), (7768, 10476), (8739, 9312)]