179910280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 465886080

約数和(自身を除く): 285975800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 43, 44, 55, 74, 86, 88, 110, 148, 172, 185, 215, 220, 257, 296, 344, 370, 407, 430, 440, 473, 514, 740, 814, 860, 946, 1028, 1285, 1480, 1591, 1628, 1720, 1892, 2035, 2056, 2365, 2570, 2827, 3182, 3256, 3784, 4070, 4730, 5140, 5654, 6364, 7955, 8140, 9460, 9509, 10280, 11051, 11308, 12728, 14135, 15910, 16280, 17501, 18920, 19018, 22102, 22616, 28270, 31820, 35002, 38036, 44204, 47545, 55255, 56540, 63640, 70004, 76072, 87505, 88408, 95090, 104599, 110510, 113080, 121561, 140008, 175010, 190180, 209198, 221020, 243122, 350020, 380360, 408887, 418396, 442040, 486244, 522995, 607805, 700040, 817774, 836792, 972488, 1045990, 1215610, 1635548, 2044435, 2091980, 2431220, 3271096, 4088870, 4183960, 4497757, 4862440, 8177740, 8995514, 16355480, 17991028, 22488785, 35982056, 44977570, 89955140, 179910280]

約数ペア:

[(1, 179910280), (2, 89955140), (4, 44977570), (5, 35982056), (8, 22488785), (10, 17991028), (11, 16355480), (20, 8995514), (22, 8177740), (37, 4862440), (40, 4497757), (43, 4183960), (44, 4088870), (55, 3271096), (74, 2431220), (86, 2091980), (88, 2044435), (110, 1635548), (148, 1215610), (172, 1045990), (185, 972488), (215, 836792), (220, 817774), (257, 700040), (296, 607805), (344, 522995), (370, 486244), (407, 442040), (430, 418396), (440, 408887), (473, 380360), (514, 350020), (740, 243122), (814, 221020), (860, 209198), (946, 190180), (1028, 175010), (1285, 140008), (1480, 121561), (1591, 113080), (1628, 110510), (1720, 104599), (1892, 95090), (2035, 88408), (2056, 87505), (2365, 76072), (2570, 70004), (2827, 63640), (3182, 56540), (3256, 55255), (3784, 47545), (4070, 44204), (4730, 38036), (5140, 35002), (5654, 31820), (6364, 28270), (7955, 22616), (8140, 22102), (9460, 19018), (9509, 18920), (10280, 17501), (11051, 16280), (11308, 15910), (12728, 14135)]