129297280

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 391680000

約数和(自身を除く): 262382720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 62, 64, 70, 76, 80, 95, 98, 112, 124, 128, 133, 140, 152, 155, 160, 190, 196, 217, 224, 245, 248, 266, 280, 304, 310, 320, 343, 380, 392, 434, 448, 490, 496, 532, 560, 589, 608, 620, 640, 665, 686, 760, 784, 868, 896, 931, 980, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1372, 1519, 1520, 1568, 1715, 1736, 1862, 1960, 1984, 2128, 2170, 2240, 2356, 2432, 2480, 2660, 2744, 2945, 3038, 3040, 3136, 3430, 3472, 3724, 3920, 3968, 4123, 4256, 4340, 4480, 4655, 4712, 4960, 5320, 5488, 5890, 6076, 6080, 6272, 6517, 6860, 6944, 7448, 7595, 7840, 8246, 8512, 8680, 9310, 9424, 9920, 10633, 10640, 10976, 11780, 12152, 12160, 13034, 13720, 13888, 14896, 15190, 15680, 16492, 17024, 17360, 18620, 18848, 19840, 20615, 21266, 21280, 21952, 23560, 24304, 26068, 27440, 27776, 28861, 29792, 30380, 31360, 32585, 32984, 34720, 37240, 37696, 41230, 42532, 42560, 43904, 47120, 48608, 52136, 53165, 54880, 57722, 59584, 60760, 65170, 65968, 69440, 74480, 75392, 82460, 85064, 85120, 94240, 97216, 104272, 106330, 109760, 115444, 119168, 121520, 130340, 131936, 138880, 144305, 148960, 164920, 170128, 188480, 194432, 202027, 208544, 212660, 219520, 230888, 243040, 260680, 263872, 288610, 297920, 329840, 340256, 376960, 404054, 417088, 425320, 461776, 486080, 521360, 527744, 577220, 595840, 659680, 680512, 808108, 834176, 850640, 923552, 972160, 1010135, 1042720, 1154440, 1319360, 1361024, 1616216, 1701280, 1847104, 2020270, 2085440, 2308880, 2638720, 3232432, 3402560, 3694208, 4040540, 4170880, 4617760, 6464864, 6805120, 8081080, 9235520, 12929728, 16162160, 18471040, 25859456, 32324320, 64648640, 129297280]

約数ペア:

[(1, 129297280), (2, 64648640), (4, 32324320), (5, 25859456), (7, 18471040), (8, 16162160), (10, 12929728), (14, 9235520), (16, 8081080), (19, 6805120), (20, 6464864), (28, 4617760), (31, 4170880), (32, 4040540), (35, 3694208), (38, 3402560), (40, 3232432), (49, 2638720), (56, 2308880), (62, 2085440), (64, 2020270), (70, 1847104), (76, 1701280), (80, 1616216), (95, 1361024), (98, 1319360), (112, 1154440), (124, 1042720), (128, 1010135), (133, 972160), (140, 923552), (152, 850640), (155, 834176), (160, 808108), (190, 680512), (196, 659680), (217, 595840), (224, 577220), (245, 527744), (248, 521360), (266, 486080), (280, 461776), (304, 425320), (310, 417088), (320, 404054), (343, 376960), (380, 340256), (392, 329840), (434, 297920), (448, 288610), (490, 263872), (496, 260680), (532, 243040), (560, 230888), (589, 219520), (608, 212660), (620, 208544), (640, 202027), (665, 194432), (686, 188480), (760, 170128), (784, 164920), (868, 148960), (896, 144305), (931, 138880), (980, 131936), (992, 130340), (1064, 121520), (1085, 119168), (1120, 115444), (1178, 109760), (1216, 106330), (1240, 104272), (1330, 97216), (1372, 94240), (1519, 85120), (1520, 85064), (1568, 82460), (1715, 75392), (1736, 74480), (1862, 69440), (1960, 65968), (1984, 65170), (2128, 60760), (2170, 59584), (2240, 57722), (2356, 54880), (2432, 53165), (2480, 52136), (2660, 48608), (2744, 47120), (2945, 43904), (3038, 42560), (3040, 42532), (3136, 41230), (3430, 37696), (3472, 37240), (3724, 34720), (3920, 32984), (3968, 32585), (4123, 31360), (4256, 30380), (4340, 29792), (4480, 28861), (4655, 27776), (4712, 27440), (4960, 26068), (5320, 24304), (5488, 23560), (5890, 21952), (6076, 21280), (6080, 21266), (6272, 20615), (6517, 19840), (6860, 18848), (6944, 18620), (7448, 17360), (7595, 17024), (7840, 16492), (8246, 15680), (8512, 15190), (8680, 14896), (9310, 13888), (9424, 13720), (9920, 13034), (10633, 12160), (10640, 12152), (10976, 11780)]