71322680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 194201280

約数和(自身を除く): 122878600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 220, 260, 286, 296, 337, 370, 407, 440, 481, 520, 572, 674, 715, 740, 814, 962, 1144, 1348, 1430, 1480, 1628, 1685, 1924, 2035, 2405, 2696, 2860, 3256, 3370, 3707, 3848, 4070, 4381, 4810, 5291, 5720, 6740, 7414, 8140, 8762, 9620, 10582, 12469, 13480, 14828, 16280, 17524, 18535, 19240, 21164, 21905, 24938, 26455, 29656, 35048, 37070, 42328, 43810, 48191, 49876, 52910, 62345, 74140, 87620, 96382, 99752, 105820, 124690, 137159, 148280, 162097, 175240, 192764, 211640, 240955, 249380, 274318, 324194, 385528, 481910, 498760, 548636, 648388, 685795, 810485, 963820, 1097272, 1296776, 1371590, 1620970, 1783067, 1927640, 2743180, 3241940, 3566134, 5486360, 6483880, 7132268, 8915335, 14264536, 17830670, 35661340, 71322680]

約数ペア:

[(1, 71322680), (2, 35661340), (4, 17830670), (5, 14264536), (8, 8915335), (10, 7132268), (11, 6483880), (13, 5486360), (20, 3566134), (22, 3241940), (26, 2743180), (37, 1927640), (40, 1783067), (44, 1620970), (52, 1371590), (55, 1296776), (65, 1097272), (74, 963820), (88, 810485), (104, 685795), (110, 648388), (130, 548636), (143, 498760), (148, 481910), (185, 385528), (220, 324194), (260, 274318), (286, 249380), (296, 240955), (337, 211640), (370, 192764), (407, 175240), (440, 162097), (481, 148280), (520, 137159), (572, 124690), (674, 105820), (715, 99752), (740, 96382), (814, 87620), (962, 74140), (1144, 62345), (1348, 52910), (1430, 49876), (1480, 48191), (1628, 43810), (1685, 42328), (1924, 37070), (2035, 35048), (2405, 29656), (2696, 26455), (2860, 24938), (3256, 21905), (3370, 21164), (3707, 19240), (3848, 18535), (4070, 17524), (4381, 16280), (4810, 14828), (5291, 13480), (5720, 12469), (6740, 10582), (7414, 9620), (8140, 8762)]