161511984

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:515

約数の個数: 120

約数和(自身を含む): 472664192

約数和(自身を除く): 311152208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 97, 124, 144, 186, 194, 248, 279, 291, 372, 373, 388, 496, 558, 582, 744, 746, 776, 873, 1116, 1119, 1164, 1488, 1492, 1552, 1746, 2232, 2238, 2328, 2984, 3007, 3357, 3492, 4464, 4476, 4656, 5968, 6014, 6714, 6984, 8952, 9021, 11563, 12028, 13428, 13968, 17904, 18042, 23126, 24056, 26856, 27063, 34689, 36084, 36181, 46252, 48112, 53712, 54126, 69378, 72168, 72362, 92504, 104067, 108252, 108543, 138756, 144336, 144724, 185008, 208134, 216504, 217086, 277512, 289448, 325629, 416268, 433008, 434172, 555024, 578896, 651258, 832536, 868344, 1121611, 1302516, 1665072, 1736688, 2243222, 2605032, 3364833, 4486444, 5210064, 6729666, 8972888, 10094499, 13459332, 17945776, 20188998, 26918664, 40377996, 53837328, 80755992, 161511984]

約数ペア:

[(1, 161511984), (2, 80755992), (3, 53837328), (4, 40377996), (6, 26918664), (8, 20188998), (9, 17945776), (12, 13459332), (16, 10094499), (18, 8972888), (24, 6729666), (31, 5210064), (36, 4486444), (48, 3364833), (62, 2605032), (72, 2243222), (93, 1736688), (97, 1665072), (124, 1302516), (144, 1121611), (186, 868344), (194, 832536), (248, 651258), (279, 578896), (291, 555024), (372, 434172), (373, 433008), (388, 416268), (496, 325629), (558, 289448), (582, 277512), (744, 217086), (746, 216504), (776, 208134), (873, 185008), (1116, 144724), (1119, 144336), (1164, 138756), (1488, 108543), (1492, 108252), (1552, 104067), (1746, 92504), (2232, 72362), (2238, 72168), (2328, 69378), (2984, 54126), (3007, 53712), (3357, 48112), (3492, 46252), (4464, 36181), (4476, 36084), (4656, 34689), (5968, 27063), (6014, 26856), (6714, 24056), (6984, 23126), (8952, 18042), (9021, 17904), (11563, 13968), (12028, 13428)]