77561880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:969

約数の個数: 128

約数和(自身を含む): 257921280

約数和(自身を除く): 180359400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 132, 134, 165, 201, 220, 264, 268, 330, 335, 402, 440, 536, 660, 670, 737, 804, 877, 1005, 1320, 1340, 1474, 1608, 1754, 2010, 2211, 2631, 2680, 2948, 3508, 3685, 4020, 4385, 4422, 5262, 5896, 7016, 7370, 8040, 8770, 8844, 9647, 10524, 11055, 13155, 14740, 17540, 17688, 19294, 21048, 22110, 26310, 28941, 29480, 35080, 38588, 44220, 48235, 52620, 57882, 58759, 77176, 88440, 96470, 105240, 115764, 117518, 144705, 176277, 192940, 231528, 235036, 289410, 293795, 352554, 385880, 470072, 578820, 587590, 646349, 705108, 881385, 1157640, 1175180, 1292698, 1410216, 1762770, 1939047, 2350360, 2585396, 3231745, 3525540, 3878094, 5170792, 6463490, 7051080, 7756188, 9695235, 12926980, 15512376, 19390470, 25853960, 38780940, 77561880]

約数ペア:

[(1, 77561880), (2, 38780940), (3, 25853960), (4, 19390470), (5, 15512376), (6, 12926980), (8, 9695235), (10, 7756188), (11, 7051080), (12, 6463490), (15, 5170792), (20, 3878094), (22, 3525540), (24, 3231745), (30, 2585396), (33, 2350360), (40, 1939047), (44, 1762770), (55, 1410216), (60, 1292698), (66, 1175180), (67, 1157640), (88, 881385), (110, 705108), (120, 646349), (132, 587590), (134, 578820), (165, 470072), (201, 385880), (220, 352554), (264, 293795), (268, 289410), (330, 235036), (335, 231528), (402, 192940), (440, 176277), (536, 144705), (660, 117518), (670, 115764), (737, 105240), (804, 96470), (877, 88440), (1005, 77176), (1320, 58759), (1340, 57882), (1474, 52620), (1608, 48235), (1754, 44220), (2010, 38588), (2211, 35080), (2631, 29480), (2680, 28941), (2948, 26310), (3508, 22110), (3685, 21048), (4020, 19294), (4385, 17688), (4422, 17540), (5262, 14740), (5896, 13155), (7016, 11055), (7370, 10524), (8040, 9647), (8770, 8844)]