31184320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 112

約数和(自身を含む): 81930240

約数和(自身を除く): 50745920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 223, 230, 304, 320, 368, 380, 437, 446, 460, 608, 736, 760, 874, 892, 920, 1115, 1216, 1472, 1520, 1748, 1784, 1840, 2185, 2230, 3040, 3496, 3568, 3680, 4237, 4370, 4460, 5129, 6080, 6992, 7136, 7360, 8474, 8740, 8920, 10258, 13984, 14272, 16948, 17480, 17840, 20516, 21185, 25645, 27968, 33896, 34960, 35680, 41032, 42370, 51290, 67792, 69920, 71360, 82064, 84740, 97451, 102580, 135584, 139840, 164128, 169480, 194902, 205160, 271168, 328256, 338960, 389804, 410320, 487255, 677920, 779608, 820640, 974510, 1355840, 1559216, 1641280, 1949020, 3118432, 3898040, 6236864, 7796080, 15592160, 31184320]

約数ペア:

[(1, 31184320), (2, 15592160), (4, 7796080), (5, 6236864), (8, 3898040), (10, 3118432), (16, 1949020), (19, 1641280), (20, 1559216), (23, 1355840), (32, 974510), (38, 820640), (40, 779608), (46, 677920), (64, 487255), (76, 410320), (80, 389804), (92, 338960), (95, 328256), (115, 271168), (152, 205160), (160, 194902), (184, 169480), (190, 164128), (223, 139840), (230, 135584), (304, 102580), (320, 97451), (368, 84740), (380, 82064), (437, 71360), (446, 69920), (460, 67792), (608, 51290), (736, 42370), (760, 41032), (874, 35680), (892, 34960), (920, 33896), (1115, 27968), (1216, 25645), (1472, 21185), (1520, 20516), (1748, 17840), (1784, 17480), (1840, 16948), (2185, 14272), (2230, 13984), (3040, 10258), (3496, 8920), (3568, 8740), (3680, 8474), (4237, 7360), (4370, 7136), (4460, 6992), (5129, 6080)]