81184920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 258552000

約数和(自身を除く): 177367080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 41, 58, 60, 82, 87, 116, 120, 123, 145, 164, 174, 205, 232, 246, 290, 328, 348, 410, 435, 492, 569, 580, 615, 696, 820, 870, 984, 1138, 1160, 1189, 1230, 1640, 1707, 1740, 2276, 2378, 2460, 2845, 3414, 3480, 3567, 4552, 4756, 4920, 5690, 5945, 6828, 7134, 8535, 9512, 11380, 11890, 13656, 14268, 16501, 17070, 17835, 22760, 23329, 23780, 28536, 33002, 34140, 35670, 46658, 47560, 49503, 66004, 68280, 69987, 71340, 82505, 93316, 99006, 116645, 132008, 139974, 142680, 165010, 186632, 198012, 233290, 247515, 279948, 330020, 349935, 396024, 466580, 495030, 559896, 660040, 676541, 699870, 933160, 990060, 1353082, 1399740, 1980120, 2029623, 2706164, 2799480, 3382705, 4059246, 5412328, 6765410, 8118492, 10148115, 13530820, 16236984, 20296230, 27061640, 40592460, 81184920]

約数ペア:

[(1, 81184920), (2, 40592460), (3, 27061640), (4, 20296230), (5, 16236984), (6, 13530820), (8, 10148115), (10, 8118492), (12, 6765410), (15, 5412328), (20, 4059246), (24, 3382705), (29, 2799480), (30, 2706164), (40, 2029623), (41, 1980120), (58, 1399740), (60, 1353082), (82, 990060), (87, 933160), (116, 699870), (120, 676541), (123, 660040), (145, 559896), (164, 495030), (174, 466580), (205, 396024), (232, 349935), (246, 330020), (290, 279948), (328, 247515), (348, 233290), (410, 198012), (435, 186632), (492, 165010), (569, 142680), (580, 139974), (615, 132008), (696, 116645), (820, 99006), (870, 93316), (984, 82505), (1138, 71340), (1160, 69987), (1189, 68280), (1230, 66004), (1640, 49503), (1707, 47560), (1740, 46658), (2276, 35670), (2378, 34140), (2460, 33002), (2845, 28536), (3414, 23780), (3480, 23329), (3567, 22760), (4552, 17835), (4756, 17070), (4920, 16501), (5690, 14268), (5945, 13656), (6828, 11890), (7134, 11380), (8535, 9512)]