81794240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1270

約数の個数: 112

約数和(自身を含む): 223845120

約数和(自身を除く): 142050880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 1045, 1216, 1223, 1520, 1672, 1760, 2090, 2446, 3040, 3344, 3520, 4180, 4892, 6080, 6115, 6688, 8360, 9784, 12230, 13376, 13453, 16720, 19568, 23237, 24460, 26906, 33440, 39136, 46474, 48920, 53812, 66880, 67265, 78272, 92948, 97840, 107624, 116185, 134530, 185896, 195680, 215248, 232370, 255607, 269060, 371792, 391360, 430496, 464740, 511214, 538120, 743584, 860992, 929480, 1022428, 1076240, 1278035, 1487168, 1858960, 2044856, 2152480, 2556070, 3717920, 4089712, 4304960, 5112140, 7435840, 8179424, 10224280, 16358848, 20448560, 40897120, 81794240]

約数ペア:

[(1, 81794240), (2, 40897120), (4, 20448560), (5, 16358848), (8, 10224280), (10, 8179424), (11, 7435840), (16, 5112140), (19, 4304960), (20, 4089712), (22, 3717920), (32, 2556070), (38, 2152480), (40, 2044856), (44, 1858960), (55, 1487168), (64, 1278035), (76, 1076240), (80, 1022428), (88, 929480), (95, 860992), (110, 743584), (152, 538120), (160, 511214), (176, 464740), (190, 430496), (209, 391360), (220, 371792), (304, 269060), (320, 255607), (352, 232370), (380, 215248), (418, 195680), (440, 185896), (608, 134530), (704, 116185), (760, 107624), (836, 97840), (880, 92948), (1045, 78272), (1216, 67265), (1223, 66880), (1520, 53812), (1672, 48920), (1760, 46474), (2090, 39136), (2446, 33440), (3040, 26906), (3344, 24460), (3520, 23237), (4180, 19568), (4892, 16720), (6080, 13453), (6115, 13376), (6688, 12230), (8360, 9784)]