81171200

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1153}}^1$

素因数の和:1190

約数の個数: 108

約数和(自身を含む): 219366168

約数和(自身を除く): 138194968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 550, 640, 704, 800, 880, 1100, 1153, 1280, 1408, 1600, 1760, 2200, 2306, 2816, 3200, 3520, 4400, 4612, 5765, 6400, 7040, 8800, 9224, 11530, 12683, 14080, 17600, 18448, 23060, 25366, 28825, 35200, 36896, 46120, 50732, 57650, 63415, 70400, 73792, 92240, 101464, 115300, 126830, 147584, 184480, 202928, 230600, 253660, 295168, 317075, 368960, 405856, 461200, 507320, 634150, 737920, 811712, 922400, 1014640, 1268300, 1475840, 1623424, 1844800, 2029280, 2536600, 3246848, 3689600, 4058560, 5073200, 7379200, 8117120, 10146400, 16234240, 20292800, 40585600, 81171200]

約数ペア:

[(1, 81171200), (2, 40585600), (4, 20292800), (5, 16234240), (8, 10146400), (10, 8117120), (11, 7379200), (16, 5073200), (20, 4058560), (22, 3689600), (25, 3246848), (32, 2536600), (40, 2029280), (44, 1844800), (50, 1623424), (55, 1475840), (64, 1268300), (80, 1014640), (88, 922400), (100, 811712), (110, 737920), (128, 634150), (160, 507320), (176, 461200), (200, 405856), (220, 368960), (256, 317075), (275, 295168), (320, 253660), (352, 230600), (400, 202928), (440, 184480), (550, 147584), (640, 126830), (704, 115300), (800, 101464), (880, 92240), (1100, 73792), (1153, 70400), (1280, 63415), (1408, 57650), (1600, 50732), (1760, 46120), (2200, 36896), (2306, 35200), (2816, 28825), (3200, 25366), (3520, 23060), (4400, 18448), (4612, 17600), (5765, 14080), (6400, 12683), (7040, 11530), (8800, 9224)]