129744840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1687

約数の個数: 128

約数和(自身を含む): 420422400

約数和(自身を除く): 290677560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 1160, 1334, 1380, 1621, 1740, 2001, 2668, 2760, 3242, 3335, 3480, 4002, 4863, 5336, 6484, 6670, 8004, 8105, 9726, 10005, 12968, 13340, 16008, 16210, 19452, 20010, 24315, 26680, 32420, 37283, 38904, 40020, 47009, 48630, 64840, 74566, 80040, 94018, 97260, 111849, 141027, 149132, 186415, 188036, 194520, 223698, 235045, 282054, 298264, 372830, 376072, 447396, 470090, 559245, 564108, 705135, 745660, 894792, 940180, 1081207, 1118490, 1128216, 1410270, 1491320, 1880360, 2162414, 2236980, 2820540, 3243621, 4324828, 4473960, 5406035, 5641080, 6487242, 8649656, 10812070, 12974484, 16218105, 21624140, 25948968, 32436210, 43248280, 64872420, 129744840]

約数ペア:

[(1, 129744840), (2, 64872420), (3, 43248280), (4, 32436210), (5, 25948968), (6, 21624140), (8, 16218105), (10, 12974484), (12, 10812070), (15, 8649656), (20, 6487242), (23, 5641080), (24, 5406035), (29, 4473960), (30, 4324828), (40, 3243621), (46, 2820540), (58, 2236980), (60, 2162414), (69, 1880360), (87, 1491320), (92, 1410270), (115, 1128216), (116, 1118490), (120, 1081207), (138, 940180), (145, 894792), (174, 745660), (184, 705135), (230, 564108), (232, 559245), (276, 470090), (290, 447396), (345, 376072), (348, 372830), (435, 298264), (460, 282054), (552, 235045), (580, 223698), (667, 194520), (690, 188036), (696, 186415), (870, 149132), (920, 141027), (1160, 111849), (1334, 97260), (1380, 94018), (1621, 80040), (1740, 74566), (2001, 64840), (2668, 48630), (2760, 47009), (3242, 40020), (3335, 38904), (3480, 37283), (4002, 32420), (4863, 26680), (5336, 24315), (6484, 20010), (6670, 19452), (8004, 16210), (8105, 16008), (9726, 13340), (10005, 12968)]