128533240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{997}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 316884960

約数和(自身を除く): 188351720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 293, 440, 586, 997, 1172, 1465, 1994, 2344, 2930, 3223, 3988, 4985, 5860, 6446, 7976, 9970, 10967, 11720, 12892, 16115, 19940, 21934, 25784, 32230, 39880, 43868, 54835, 64460, 87736, 109670, 128920, 219340, 292121, 438680, 584242, 1168484, 1460605, 2336968, 2921210, 3213331, 5842420, 6426662, 11684840, 12853324, 16066655, 25706648, 32133310, 64266620, 128533240]

約数ペア:

[(1, 128533240), (2, 64266620), (4, 32133310), (5, 25706648), (8, 16066655), (10, 12853324), (11, 11684840), (20, 6426662), (22, 5842420), (40, 3213331), (44, 2921210), (55, 2336968), (88, 1460605), (110, 1168484), (220, 584242), (293, 438680), (440, 292121), (586, 219340), (997, 128920), (1172, 109670), (1465, 87736), (1994, 64460), (2344, 54835), (2930, 43868), (3223, 39880), (3988, 32230), (4985, 25784), (5860, 21934), (6446, 19940), (7976, 16115), (9970, 12892), (10967, 11720)]