81497910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2069}}^1$

素因数の和:2193

約数の個数: 64

約数和(自身を含む): 212829120

約数和(自身を除く): 131331210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 2069, 2626, 3030, 3939, 4138, 6207, 6565, 7878, 10345, 12414, 13130, 19695, 20690, 26897, 31035, 39390, 53794, 62070, 80691, 134485, 161382, 208969, 268970, 403455, 417938, 626907, 806910, 1044845, 1253814, 2089690, 2716597, 3134535, 5433194, 6269070, 8149791, 13582985, 16299582, 27165970, 40748955, 81497910]

約数ペア:

[(1, 81497910), (2, 40748955), (3, 27165970), (5, 16299582), (6, 13582985), (10, 8149791), (13, 6269070), (15, 5433194), (26, 3134535), (30, 2716597), (39, 2089690), (65, 1253814), (78, 1044845), (101, 806910), (130, 626907), (195, 417938), (202, 403455), (303, 268970), (390, 208969), (505, 161382), (606, 134485), (1010, 80691), (1313, 62070), (1515, 53794), (2069, 39390), (2626, 31035), (3030, 26897), (3939, 20690), (4138, 19695), (6207, 13130), (6565, 12414), (7878, 10345)]