68007720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51521}}^1$

素因数の和:51546

約数の個数: 64

約数和(自身を含む): 222575040

約数和(自身を除く): 154567320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 51521, 103042, 154563, 206084, 257605, 309126, 412168, 515210, 566731, 618252, 772815, 1030420, 1133462, 1236504, 1545630, 1700193, 2060840, 2266924, 2833655, 3091260, 3400386, 4533848, 5667310, 6182520, 6800772, 8500965, 11334620, 13601544, 17001930, 22669240, 34003860, 68007720]

約数ペア:

[(1, 68007720), (2, 34003860), (3, 22669240), (4, 17001930), (5, 13601544), (6, 11334620), (8, 8500965), (10, 6800772), (11, 6182520), (12, 5667310), (15, 4533848), (20, 3400386), (22, 3091260), (24, 2833655), (30, 2266924), (33, 2060840), (40, 1700193), (44, 1545630), (55, 1236504), (60, 1133462), (66, 1030420), (88, 772815), (110, 618252), (120, 566731), (132, 515210), (165, 412168), (220, 309126), (264, 257605), (330, 206084), (440, 154563), (660, 103042), (1320, 51521)]