19601680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 57853440

約数和(自身を除く): 38251760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 71, 80, 85, 112, 116, 119, 136, 140, 142, 145, 170, 203, 232, 238, 272, 280, 284, 290, 340, 355, 406, 464, 476, 493, 497, 560, 568, 580, 595, 680, 710, 812, 952, 986, 994, 1015, 1136, 1160, 1190, 1207, 1360, 1420, 1624, 1904, 1972, 1988, 2030, 2059, 2320, 2380, 2414, 2465, 2485, 2840, 3248, 3451, 3944, 3976, 4060, 4118, 4760, 4828, 4930, 4970, 5680, 6035, 6902, 7888, 7952, 8120, 8236, 8449, 9520, 9656, 9860, 9940, 10295, 12070, 13804, 14413, 16240, 16472, 16898, 17255, 19312, 19720, 19880, 20590, 24140, 27608, 28826, 32944, 33796, 34510, 35003, 39440, 39760, 41180, 42245, 48280, 55216, 57652, 67592, 69020, 70006, 72065, 82360, 84490, 96560, 115304, 135184, 138040, 140012, 144130, 164720, 168980, 175015, 230608, 245021, 276080, 280024, 288260, 337960, 350030, 490042, 560048, 576520, 675920, 700060, 980084, 1153040, 1225105, 1400120, 1960168, 2450210, 2800240, 3920336, 4900420, 9800840, 19601680]

約数ペア:

[(1, 19601680), (2, 9800840), (4, 4900420), (5, 3920336), (7, 2800240), (8, 2450210), (10, 1960168), (14, 1400120), (16, 1225105), (17, 1153040), (20, 980084), (28, 700060), (29, 675920), (34, 576520), (35, 560048), (40, 490042), (56, 350030), (58, 337960), (68, 288260), (70, 280024), (71, 276080), (80, 245021), (85, 230608), (112, 175015), (116, 168980), (119, 164720), (136, 144130), (140, 140012), (142, 138040), (145, 135184), (170, 115304), (203, 96560), (232, 84490), (238, 82360), (272, 72065), (280, 70006), (284, 69020), (290, 67592), (340, 57652), (355, 55216), (406, 48280), (464, 42245), (476, 41180), (493, 39760), (497, 39440), (560, 35003), (568, 34510), (580, 33796), (595, 32944), (680, 28826), (710, 27608), (812, 24140), (952, 20590), (986, 19880), (994, 19720), (1015, 19312), (1136, 17255), (1160, 16898), (1190, 16472), (1207, 16240), (1360, 14413), (1420, 13804), (1624, 12070), (1904, 10295), (1972, 9940), (1988, 9860), (2030, 9656), (2059, 9520), (2320, 8449), (2380, 8236), (2414, 8120), (2465, 7952), (2485, 7888), (2840, 6902), (3248, 6035), (3451, 5680), (3944, 4970), (3976, 4930), (4060, 4828), (4118, 4760)]