81844840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26573}}^1$

素因数の和:26602

約数の個数: 64

約数和(自身を含む): 229599360

約数和(自身を除く): 147754520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 26573, 53146, 106292, 132865, 186011, 212584, 265730, 292303, 372022, 531460, 584606, 744044, 930055, 1062920, 1169212, 1461515, 1488088, 1860110, 2046121, 2338424, 2923030, 3720220, 4092242, 5846060, 7440440, 8184484, 10230605, 11692120, 16368968, 20461210, 40922420, 81844840]

約数ペア:

[(1, 81844840), (2, 40922420), (4, 20461210), (5, 16368968), (7, 11692120), (8, 10230605), (10, 8184484), (11, 7440440), (14, 5846060), (20, 4092242), (22, 3720220), (28, 2923030), (35, 2338424), (40, 2046121), (44, 1860110), (55, 1488088), (56, 1461515), (70, 1169212), (77, 1062920), (88, 930055), (110, 744044), (140, 584606), (154, 531460), (220, 372022), (280, 292303), (308, 265730), (385, 212584), (440, 186011), (616, 132865), (770, 106292), (1540, 53146), (3080, 26573)]