8400720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 28926720

約数和(自身を除く): 20526000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 71, 80, 85, 87, 102, 116, 120, 136, 142, 145, 170, 174, 204, 213, 232, 240, 255, 272, 284, 290, 340, 348, 355, 408, 426, 435, 464, 493, 510, 568, 580, 680, 696, 710, 816, 852, 870, 986, 1020, 1065, 1136, 1160, 1207, 1360, 1392, 1420, 1479, 1704, 1740, 1972, 2040, 2059, 2130, 2320, 2414, 2465, 2840, 2958, 3408, 3480, 3621, 3944, 4080, 4118, 4260, 4828, 4930, 5680, 5916, 6035, 6177, 6960, 7242, 7395, 7888, 8236, 8520, 9656, 9860, 10295, 11832, 12070, 12354, 14484, 14790, 16472, 17040, 18105, 19312, 19720, 20590, 23664, 24140, 24708, 28968, 29580, 30885, 32944, 35003, 36210, 39440, 41180, 48280, 49416, 57936, 59160, 61770, 70006, 72420, 82360, 96560, 98832, 105009, 118320, 123540, 140012, 144840, 164720, 175015, 210018, 247080, 280024, 289680, 350030, 420036, 494160, 525045, 560048, 700060, 840072, 1050090, 1400120, 1680144, 2100180, 2800240, 4200360, 8400720]

約数ペア:

[(1, 8400720), (2, 4200360), (3, 2800240), (4, 2100180), (5, 1680144), (6, 1400120), (8, 1050090), (10, 840072), (12, 700060), (15, 560048), (16, 525045), (17, 494160), (20, 420036), (24, 350030), (29, 289680), (30, 280024), (34, 247080), (40, 210018), (48, 175015), (51, 164720), (58, 144840), (60, 140012), (68, 123540), (71, 118320), (80, 105009), (85, 98832), (87, 96560), (102, 82360), (116, 72420), (120, 70006), (136, 61770), (142, 59160), (145, 57936), (170, 49416), (174, 48280), (204, 41180), (213, 39440), (232, 36210), (240, 35003), (255, 32944), (272, 30885), (284, 29580), (290, 28968), (340, 24708), (348, 24140), (355, 23664), (408, 20590), (426, 19720), (435, 19312), (464, 18105), (493, 17040), (510, 16472), (568, 14790), (580, 14484), (680, 12354), (696, 12070), (710, 11832), (816, 10295), (852, 9860), (870, 9656), (986, 8520), (1020, 8236), (1065, 7888), (1136, 7395), (1160, 7242), (1207, 6960), (1360, 6177), (1392, 6035), (1420, 5916), (1479, 5680), (1704, 4930), (1740, 4828), (1972, 4260), (2040, 4118), (2059, 4080), (2130, 3944), (2320, 3621), (2414, 3480), (2465, 3408), (2840, 2958)]