81405504

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 168

約数和(自身を含む): 248521728

約数和(自身を除く): 167116224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 47, 48, 62, 64, 72, 93, 94, 96, 97, 124, 141, 144, 186, 188, 192, 194, 248, 279, 282, 288, 291, 372, 376, 388, 423, 496, 558, 564, 576, 582, 744, 752, 776, 846, 873, 992, 1116, 1128, 1164, 1457, 1488, 1504, 1552, 1692, 1746, 1984, 2232, 2256, 2328, 2914, 2976, 3007, 3008, 3104, 3384, 3492, 4371, 4464, 4512, 4559, 4656, 5828, 5952, 6014, 6208, 6768, 6984, 8742, 8928, 9021, 9024, 9118, 9312, 11656, 12028, 13113, 13536, 13677, 13968, 17484, 17856, 18042, 18236, 18624, 23312, 24056, 26226, 27063, 27072, 27354, 27936, 34968, 36084, 36472, 41031, 46624, 48112, 52452, 54126, 54708, 55872, 69936, 72168, 72944, 82062, 93248, 96224, 104904, 108252, 109416, 139872, 141329, 144336, 145888, 164124, 192448, 209808, 216504, 218832, 279744, 282658, 288672, 291776, 328248, 419616, 423987, 433008, 437664, 565316, 577344, 656496, 839232, 847974, 866016, 875328, 1130632, 1271961, 1312992, 1695948, 1732032, 2261264, 2543922, 2625984, 3391896, 4522528, 5087844, 6783792, 9045056, 10175688, 13567584, 20351376, 27135168, 40702752, 81405504]

約数ペア:

[(1, 81405504), (2, 40702752), (3, 27135168), (4, 20351376), (6, 13567584), (8, 10175688), (9, 9045056), (12, 6783792), (16, 5087844), (18, 4522528), (24, 3391896), (31, 2625984), (32, 2543922), (36, 2261264), (47, 1732032), (48, 1695948), (62, 1312992), (64, 1271961), (72, 1130632), (93, 875328), (94, 866016), (96, 847974), (97, 839232), (124, 656496), (141, 577344), (144, 565316), (186, 437664), (188, 433008), (192, 423987), (194, 419616), (248, 328248), (279, 291776), (282, 288672), (288, 282658), (291, 279744), (372, 218832), (376, 216504), (388, 209808), (423, 192448), (496, 164124), (558, 145888), (564, 144336), (576, 141329), (582, 139872), (744, 109416), (752, 108252), (776, 104904), (846, 96224), (873, 93248), (992, 82062), (1116, 72944), (1128, 72168), (1164, 69936), (1457, 55872), (1488, 54708), (1504, 54126), (1552, 52452), (1692, 48112), (1746, 46624), (1984, 41031), (2232, 36472), (2256, 36084), (2328, 34968), (2914, 27936), (2976, 27354), (3007, 27072), (3008, 27063), (3104, 26226), (3384, 24056), (3492, 23312), (4371, 18624), (4464, 18236), (4512, 18042), (4559, 17856), (4656, 17484), (5828, 13968), (5952, 13677), (6014, 13536), (6208, 13113), (6768, 12028), (6984, 11656), (8742, 9312), (8928, 9118), (9021, 9024)]