68750440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 179262720

約数和(自身を除く): 110512280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 41, 44, 55, 74, 82, 88, 103, 110, 148, 164, 185, 205, 206, 220, 296, 328, 370, 407, 410, 412, 440, 451, 515, 740, 814, 820, 824, 902, 1030, 1133, 1480, 1517, 1628, 1640, 1804, 2035, 2060, 2255, 2266, 3034, 3256, 3608, 3811, 4070, 4120, 4223, 4510, 4532, 5665, 6068, 7585, 7622, 8140, 8446, 9020, 9064, 11330, 12136, 15170, 15244, 16280, 16687, 16892, 18040, 19055, 21115, 22660, 30340, 30488, 33374, 33784, 38110, 41921, 42230, 45320, 46453, 60680, 66748, 76220, 83435, 83842, 84460, 92906, 133496, 152440, 156251, 166870, 167684, 168920, 185812, 209605, 232265, 312502, 333740, 335368, 371624, 419210, 464530, 625004, 667480, 781255, 838420, 929060, 1250008, 1562510, 1676840, 1718761, 1858120, 3125020, 3437522, 6250040, 6875044, 8593805, 13750088, 17187610, 34375220, 68750440]

約数ペア:

[(1, 68750440), (2, 34375220), (4, 17187610), (5, 13750088), (8, 8593805), (10, 6875044), (11, 6250040), (20, 3437522), (22, 3125020), (37, 1858120), (40, 1718761), (41, 1676840), (44, 1562510), (55, 1250008), (74, 929060), (82, 838420), (88, 781255), (103, 667480), (110, 625004), (148, 464530), (164, 419210), (185, 371624), (205, 335368), (206, 333740), (220, 312502), (296, 232265), (328, 209605), (370, 185812), (407, 168920), (410, 167684), (412, 166870), (440, 156251), (451, 152440), (515, 133496), (740, 92906), (814, 84460), (820, 83842), (824, 83435), (902, 76220), (1030, 66748), (1133, 60680), (1480, 46453), (1517, 45320), (1628, 42230), (1640, 41921), (1804, 38110), (2035, 33784), (2060, 33374), (2255, 30488), (2266, 30340), (3034, 22660), (3256, 21115), (3608, 19055), (3811, 18040), (4070, 16892), (4120, 16687), (4223, 16280), (4510, 15244), (4532, 15170), (5665, 12136), (6068, 11330), (7585, 9064), (7622, 9020), (8140, 8446)]