68815695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 125959680

約数和(自身を除く): 57143985

約数列:

[1, 3, 5, 13, 15, 29, 39, 43, 65, 87, 129, 145, 195, 215, 283, 377, 435, 559, 645, 849, 1131, 1247, 1415, 1677, 1885, 2795, 3679, 3741, 4245, 5655, 6235, 8207, 8385, 11037, 12169, 16211, 18395, 18705, 24621, 36507, 41035, 48633, 55185, 60845, 81055, 106691, 123105, 158197, 182535, 243165, 320073, 352901, 474591, 533455, 790985, 1058703, 1600365, 1764505, 2372955, 4587713, 5293515, 13763139, 22938565, 68815695]

約数ペア:

[(1, 68815695), (3, 22938565), (5, 13763139), (13, 5293515), (15, 4587713), (29, 2372955), (39, 1764505), (43, 1600365), (65, 1058703), (87, 790985), (129, 533455), (145, 474591), (195, 352901), (215, 320073), (283, 243165), (377, 182535), (435, 158197), (559, 123105), (645, 106691), (849, 81055), (1131, 60845), (1247, 55185), (1415, 48633), (1677, 41035), (1885, 36507), (2795, 24621), (3679, 18705), (3741, 18395), (4245, 16211), (5655, 12169), (6235, 11037), (8207, 8385)]