51891120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:859

約数の個数: 120

約数和(自身を含む): 176301216

約数和(自身を除く): 124410096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 582, 720, 743, 776, 873, 970, 1164, 1455, 1486, 1552, 1746, 1940, 2229, 2328, 2910, 2972, 3492, 3715, 3880, 4365, 4458, 4656, 5820, 5944, 6687, 6984, 7430, 7760, 8730, 8916, 11145, 11640, 11888, 13374, 13968, 14860, 17460, 17832, 22290, 23280, 26748, 29720, 33435, 34920, 35664, 44580, 53496, 59440, 66870, 69840, 72071, 89160, 106992, 133740, 144142, 178320, 216213, 267480, 288284, 360355, 432426, 534960, 576568, 648639, 720710, 864852, 1081065, 1153136, 1297278, 1441420, 1729704, 2162130, 2594556, 2882840, 3243195, 3459408, 4324260, 5189112, 5765680, 6486390, 8648520, 10378224, 12972780, 17297040, 25945560, 51891120]

約数ペア:

[(1, 51891120), (2, 25945560), (3, 17297040), (4, 12972780), (5, 10378224), (6, 8648520), (8, 6486390), (9, 5765680), (10, 5189112), (12, 4324260), (15, 3459408), (16, 3243195), (18, 2882840), (20, 2594556), (24, 2162130), (30, 1729704), (36, 1441420), (40, 1297278), (45, 1153136), (48, 1081065), (60, 864852), (72, 720710), (80, 648639), (90, 576568), (97, 534960), (120, 432426), (144, 360355), (180, 288284), (194, 267480), (240, 216213), (291, 178320), (360, 144142), (388, 133740), (485, 106992), (582, 89160), (720, 72071), (743, 69840), (776, 66870), (873, 59440), (970, 53496), (1164, 44580), (1455, 35664), (1486, 34920), (1552, 33435), (1746, 29720), (1940, 26748), (2229, 23280), (2328, 22290), (2910, 17832), (2972, 17460), (3492, 14860), (3715, 13968), (3880, 13374), (4365, 11888), (4458, 11640), (4656, 11145), (5820, 8916), (5944, 8730), (6687, 7760), (6984, 7430)]