128652800

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:93

約数の個数: 180

約数和(自身を含む): 350745780

約数和(自身を除く): 222092980

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 32, 38, 40, 46, 50, 64, 76, 80, 92, 95, 100, 115, 128, 152, 160, 184, 190, 200, 230, 256, 304, 320, 368, 380, 400, 437, 460, 475, 512, 529, 575, 608, 640, 736, 760, 800, 874, 920, 950, 1058, 1150, 1216, 1280, 1472, 1520, 1600, 1748, 1840, 1900, 2116, 2185, 2300, 2432, 2560, 2645, 2944, 3040, 3200, 3496, 3680, 3800, 4232, 4370, 4600, 4864, 5290, 5888, 6080, 6400, 6992, 7360, 7600, 8464, 8740, 9200, 9728, 10051, 10580, 10925, 11776, 12160, 12800, 13225, 13984, 14720, 15200, 16928, 17480, 18400, 20102, 21160, 21850, 24320, 26450, 27968, 29440, 30400, 33856, 34960, 36800, 40204, 42320, 43700, 48640, 50255, 52900, 55936, 58880, 60800, 67712, 69920, 73600, 80408, 84640, 87400, 100510, 105800, 111872, 121600, 135424, 139840, 147200, 160816, 169280, 174800, 201020, 211600, 223744, 243200, 251275, 270848, 279680, 294400, 321632, 338560, 349600, 402040, 423200, 502550, 559360, 643264, 677120, 699200, 804080, 846400, 1005100, 1118720, 1286528, 1354240, 1398400, 1608160, 1692800, 2010200, 2573056, 2796800, 3216320, 3385600, 4020400, 5146112, 5593600, 6432640, 6771200, 8040800, 12865280, 16081600, 25730560, 32163200, 64326400, 128652800]

約数ペア:

[(1, 128652800), (2, 64326400), (4, 32163200), (5, 25730560), (8, 16081600), (10, 12865280), (16, 8040800), (19, 6771200), (20, 6432640), (23, 5593600), (25, 5146112), (32, 4020400), (38, 3385600), (40, 3216320), (46, 2796800), (50, 2573056), (64, 2010200), (76, 1692800), (80, 1608160), (92, 1398400), (95, 1354240), (100, 1286528), (115, 1118720), (128, 1005100), (152, 846400), (160, 804080), (184, 699200), (190, 677120), (200, 643264), (230, 559360), (256, 502550), (304, 423200), (320, 402040), (368, 349600), (380, 338560), (400, 321632), (437, 294400), (460, 279680), (475, 270848), (512, 251275), (529, 243200), (575, 223744), (608, 211600), (640, 201020), (736, 174800), (760, 169280), (800, 160816), (874, 147200), (920, 139840), (950, 135424), (1058, 121600), (1150, 111872), (1216, 105800), (1280, 100510), (1472, 87400), (1520, 84640), (1600, 80408), (1748, 73600), (1840, 69920), (1900, 67712), (2116, 60800), (2185, 58880), (2300, 55936), (2432, 52900), (2560, 50255), (2645, 48640), (2944, 43700), (3040, 42320), (3200, 40204), (3496, 36800), (3680, 34960), (3800, 33856), (4232, 30400), (4370, 29440), (4600, 27968), (4864, 26450), (5290, 24320), (5888, 21850), (6080, 21160), (6400, 20102), (6992, 18400), (7360, 17480), (7600, 16928), (8464, 15200), (8740, 14720), (9200, 13984), (9728, 13225), (10051, 12800), (10580, 12160), (10925, 11776)]