74688920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 182314800

約数和(自身を除く): 107625880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 67, 116, 124, 134, 145, 155, 232, 248, 268, 290, 310, 335, 536, 580, 620, 670, 899, 961, 1160, 1240, 1340, 1798, 1922, 1943, 2077, 2680, 3596, 3844, 3886, 4154, 4495, 4805, 7192, 7688, 7772, 8308, 8990, 9610, 9715, 10385, 15544, 16616, 17980, 19220, 19430, 20770, 27869, 35960, 38440, 38860, 41540, 55738, 60233, 64387, 77720, 83080, 111476, 120466, 128774, 139345, 222952, 240932, 257548, 278690, 301165, 321935, 481864, 515096, 557380, 602330, 643870, 1114760, 1204660, 1287740, 1867223, 2409320, 2575480, 3734446, 7468892, 9336115, 14937784, 18672230, 37344460, 74688920]

約数ペア:

[(1, 74688920), (2, 37344460), (4, 18672230), (5, 14937784), (8, 9336115), (10, 7468892), (20, 3734446), (29, 2575480), (31, 2409320), (40, 1867223), (58, 1287740), (62, 1204660), (67, 1114760), (116, 643870), (124, 602330), (134, 557380), (145, 515096), (155, 481864), (232, 321935), (248, 301165), (268, 278690), (290, 257548), (310, 240932), (335, 222952), (536, 139345), (580, 128774), (620, 120466), (670, 111476), (899, 83080), (961, 77720), (1160, 64387), (1240, 60233), (1340, 55738), (1798, 41540), (1922, 38860), (1943, 38440), (2077, 35960), (2680, 27869), (3596, 20770), (3844, 19430), (3886, 19220), (4154, 17980), (4495, 16616), (4805, 15544), (7192, 10385), (7688, 9715), (7772, 9610), (8308, 8990)]