51461120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:90

約数の個数: 132

約数和(自身を含む): 135838920

約数和(自身を除く): 84377800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 304, 320, 368, 380, 437, 460, 512, 529, 608, 640, 736, 760, 874, 920, 1024, 1058, 1216, 1280, 1472, 1520, 1748, 1840, 2116, 2185, 2432, 2560, 2645, 2944, 3040, 3496, 3680, 4232, 4370, 4864, 5120, 5290, 5888, 6080, 6992, 7360, 8464, 8740, 9728, 10051, 10580, 11776, 12160, 13984, 14720, 16928, 17480, 19456, 20102, 21160, 23552, 24320, 27968, 29440, 33856, 34960, 40204, 42320, 48640, 50255, 55936, 58880, 67712, 69920, 80408, 84640, 97280, 100510, 111872, 117760, 135424, 139840, 160816, 169280, 201020, 223744, 270848, 279680, 321632, 338560, 402040, 447488, 541696, 559360, 643264, 677120, 804080, 1118720, 1286528, 1354240, 1608160, 2237440, 2573056, 2708480, 3216320, 5146112, 6432640, 10292224, 12865280, 25730560, 51461120]

約数ペア:

[(1, 51461120), (2, 25730560), (4, 12865280), (5, 10292224), (8, 6432640), (10, 5146112), (16, 3216320), (19, 2708480), (20, 2573056), (23, 2237440), (32, 1608160), (38, 1354240), (40, 1286528), (46, 1118720), (64, 804080), (76, 677120), (80, 643264), (92, 559360), (95, 541696), (115, 447488), (128, 402040), (152, 338560), (160, 321632), (184, 279680), (190, 270848), (230, 223744), (256, 201020), (304, 169280), (320, 160816), (368, 139840), (380, 135424), (437, 117760), (460, 111872), (512, 100510), (529, 97280), (608, 84640), (640, 80408), (736, 69920), (760, 67712), (874, 58880), (920, 55936), (1024, 50255), (1058, 48640), (1216, 42320), (1280, 40204), (1472, 34960), (1520, 33856), (1748, 29440), (1840, 27968), (2116, 24320), (2185, 23552), (2432, 21160), (2560, 20102), (2645, 19456), (2944, 17480), (3040, 16928), (3496, 14720), (3680, 13984), (4232, 12160), (4370, 11776), (4864, 10580), (5120, 10051), (5290, 9728), (5888, 8740), (6080, 8464), (6992, 7360)]