74090720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 199085040

約数和(自身を除く): 124994320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 89, 110, 121, 160, 172, 176, 178, 215, 220, 242, 344, 352, 356, 430, 440, 445, 473, 484, 605, 688, 712, 860, 880, 890, 946, 968, 979, 1210, 1376, 1424, 1720, 1760, 1780, 1892, 1936, 1958, 2365, 2420, 2848, 3440, 3560, 3784, 3827, 3872, 3916, 4730, 4840, 4895, 5203, 6880, 7120, 7568, 7654, 7832, 9460, 9680, 9790, 10406, 10769, 14240, 15136, 15308, 15664, 18920, 19135, 19360, 19580, 20812, 21538, 26015, 30616, 31328, 37840, 38270, 39160, 41624, 42097, 43076, 52030, 53845, 61232, 75680, 76540, 78320, 83248, 84194, 86152, 104060, 107690, 122464, 153080, 156640, 166496, 168388, 172304, 208120, 210485, 215380, 306160, 336776, 344608, 416240, 420970, 430760, 463067, 612320, 673552, 832480, 841940, 861520, 926134, 1347104, 1683880, 1723040, 1852268, 2315335, 3367760, 3704536, 4630670, 6735520, 7409072, 9261340, 14818144, 18522680, 37045360, 74090720]

約数ペア:

[(1, 74090720), (2, 37045360), (4, 18522680), (5, 14818144), (8, 9261340), (10, 7409072), (11, 6735520), (16, 4630670), (20, 3704536), (22, 3367760), (32, 2315335), (40, 1852268), (43, 1723040), (44, 1683880), (55, 1347104), (80, 926134), (86, 861520), (88, 841940), (89, 832480), (110, 673552), (121, 612320), (160, 463067), (172, 430760), (176, 420970), (178, 416240), (215, 344608), (220, 336776), (242, 306160), (344, 215380), (352, 210485), (356, 208120), (430, 172304), (440, 168388), (445, 166496), (473, 156640), (484, 153080), (605, 122464), (688, 107690), (712, 104060), (860, 86152), (880, 84194), (890, 83248), (946, 78320), (968, 76540), (979, 75680), (1210, 61232), (1376, 53845), (1424, 52030), (1720, 43076), (1760, 42097), (1780, 41624), (1892, 39160), (1936, 38270), (1958, 37840), (2365, 31328), (2420, 30616), (2848, 26015), (3440, 21538), (3560, 20812), (3784, 19580), (3827, 19360), (3872, 19135), (3916, 18920), (4730, 15664), (4840, 15308), (4895, 15136), (5203, 14240), (6880, 10769), (7120, 10406), (7568, 9790), (7654, 9680), (7832, 9460)]