68713040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 176078016

約数和(自身を除く): 107364976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 565, 691, 880, 904, 1130, 1243, 1382, 1808, 2260, 2486, 2764, 3455, 4520, 4972, 5528, 6215, 6910, 7601, 9040, 9944, 11056, 12430, 13820, 15202, 19888, 24860, 27640, 30404, 38005, 49720, 55280, 60808, 76010, 78083, 99440, 121616, 152020, 156166, 304040, 312332, 390415, 608080, 624664, 780830, 858913, 1249328, 1561660, 1717826, 3123320, 3435652, 4294565, 6246640, 6871304, 8589130, 13742608, 17178260, 34356520, 68713040]

約数ペア:

[(1, 68713040), (2, 34356520), (4, 17178260), (5, 13742608), (8, 8589130), (10, 6871304), (11, 6246640), (16, 4294565), (20, 3435652), (22, 3123320), (40, 1717826), (44, 1561660), (55, 1249328), (80, 858913), (88, 780830), (110, 624664), (113, 608080), (176, 390415), (220, 312332), (226, 304040), (440, 156166), (452, 152020), (565, 121616), (691, 99440), (880, 78083), (904, 76010), (1130, 60808), (1243, 55280), (1382, 49720), (1808, 38005), (2260, 30404), (2486, 27640), (2764, 24860), (3455, 19888), (4520, 15202), (4972, 13820), (5528, 12430), (6215, 11056), (6910, 9944), (7601, 9040)]