81538272

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{4967}}^1$

素因数の和:5005

約数の個数: 96

約数和(自身を含む): 250387200

約数和(自身を除く): 168848928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1368, 1824, 2052, 2736, 4104, 4967, 5472, 8208, 9934, 14901, 16416, 19868, 29802, 39736, 44703, 59604, 79472, 89406, 94373, 119208, 134109, 158944, 178812, 188746, 238416, 268218, 283119, 357624, 377492, 476832, 536436, 566238, 715248, 754984, 849357, 1072872, 1132476, 1430496, 1509968, 1698714, 2145744, 2264952, 2548071, 3019936, 3397428, 4291488, 4529904, 5096142, 6794856, 9059808, 10192284, 13589712, 20384568, 27179424, 40769136, 81538272]

約数ペア:

[(1, 81538272), (2, 40769136), (3, 27179424), (4, 20384568), (6, 13589712), (8, 10192284), (9, 9059808), (12, 6794856), (16, 5096142), (18, 4529904), (19, 4291488), (24, 3397428), (27, 3019936), (32, 2548071), (36, 2264952), (38, 2145744), (48, 1698714), (54, 1509968), (57, 1430496), (72, 1132476), (76, 1072872), (96, 849357), (108, 754984), (114, 715248), (144, 566238), (152, 536436), (171, 476832), (216, 377492), (228, 357624), (288, 283119), (304, 268218), (342, 238416), (432, 188746), (456, 178812), (513, 158944), (608, 134109), (684, 119208), (864, 94373), (912, 89406), (1026, 79472), (1368, 59604), (1824, 44703), (2052, 39736), (2736, 29802), (4104, 19868), (4967, 16416), (5472, 14901), (8208, 9934)]