64330640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1848

約数の個数: 80

約数和(自身を含む): 167239296

約数和(自身を除く): 102908656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1783, 1804, 2255, 3280, 3566, 3608, 4510, 7132, 7216, 8915, 9020, 14264, 17830, 18040, 19613, 28528, 35660, 36080, 39226, 71320, 73103, 78452, 98065, 142640, 146206, 156904, 196130, 292412, 313808, 365515, 392260, 584824, 731030, 784520, 804133, 1169648, 1462060, 1569040, 1608266, 2924120, 3216532, 4020665, 5848240, 6433064, 8041330, 12866128, 16082660, 32165320, 64330640]

約数ペア:

[(1, 64330640), (2, 32165320), (4, 16082660), (5, 12866128), (8, 8041330), (10, 6433064), (11, 5848240), (16, 4020665), (20, 3216532), (22, 2924120), (40, 1608266), (41, 1569040), (44, 1462060), (55, 1169648), (80, 804133), (82, 784520), (88, 731030), (110, 584824), (164, 392260), (176, 365515), (205, 313808), (220, 292412), (328, 196130), (410, 156904), (440, 146206), (451, 142640), (656, 98065), (820, 78452), (880, 73103), (902, 71320), (1640, 39226), (1783, 36080), (1804, 35660), (2255, 28528), (3280, 19613), (3566, 18040), (3608, 17830), (4510, 14264), (7132, 9020), (7216, 8915)]