81178416

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^2\times {\mathrm{1553}}^1$

素因数の和:1592

約数の個数: 120

約数和(自身を含む): 256285680

約数和(自身を除く): 175107264

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 297, 363, 396, 432, 484, 528, 594, 726, 792, 968, 1089, 1188, 1452, 1553, 1584, 1936, 2178, 2376, 2904, 3106, 3267, 4356, 4659, 4752, 5808, 6212, 6534, 8712, 9318, 12424, 13068, 13977, 17083, 17424, 18636, 24848, 26136, 27954, 34166, 37272, 41931, 51249, 52272, 55908, 68332, 74544, 83862, 102498, 111816, 136664, 153747, 167724, 187913, 204996, 223632, 273328, 307494, 335448, 375826, 409992, 461241, 563739, 614988, 670896, 751652, 819984, 922482, 1127478, 1229976, 1503304, 1691217, 1844964, 2254956, 2459952, 3006608, 3382434, 3689928, 4509912, 5073651, 6764868, 7379856, 9019824, 10147302, 13529736, 20294604, 27059472, 40589208, 81178416]

約数ペア:

[(1, 81178416), (2, 40589208), (3, 27059472), (4, 20294604), (6, 13529736), (8, 10147302), (9, 9019824), (11, 7379856), (12, 6764868), (16, 5073651), (18, 4509912), (22, 3689928), (24, 3382434), (27, 3006608), (33, 2459952), (36, 2254956), (44, 1844964), (48, 1691217), (54, 1503304), (66, 1229976), (72, 1127478), (88, 922482), (99, 819984), (108, 751652), (121, 670896), (132, 614988), (144, 563739), (176, 461241), (198, 409992), (216, 375826), (242, 335448), (264, 307494), (297, 273328), (363, 223632), (396, 204996), (432, 187913), (484, 167724), (528, 153747), (594, 136664), (726, 111816), (792, 102498), (968, 83862), (1089, 74544), (1188, 68332), (1452, 55908), (1553, 52272), (1584, 51249), (1936, 41931), (2178, 37272), (2376, 34166), (2904, 27954), (3106, 26136), (3267, 24848), (4356, 18636), (4659, 17424), (4752, 17083), (5808, 13977), (6212, 13068), (6534, 12424), (8712, 9318)]