68012880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21799}}^1$

素因数の和:21828

約数の個数: 80

約数和(自身を含む): 227068800

約数和(自身を除く): 159055920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21799, 43598, 65397, 87196, 108995, 130794, 174392, 217990, 261588, 283387, 326985, 348784, 435980, 523176, 566774, 653970, 850161, 871960, 1046352, 1133548, 1307940, 1416935, 1700322, 1743920, 2267096, 2615880, 2833870, 3400644, 4250805, 4534192, 5231760, 5667740, 6801288, 8501610, 11335480, 13602576, 17003220, 22670960, 34006440, 68012880]

約数ペア:

[(1, 68012880), (2, 34006440), (3, 22670960), (4, 17003220), (5, 13602576), (6, 11335480), (8, 8501610), (10, 6801288), (12, 5667740), (13, 5231760), (15, 4534192), (16, 4250805), (20, 3400644), (24, 2833870), (26, 2615880), (30, 2267096), (39, 1743920), (40, 1700322), (48, 1416935), (52, 1307940), (60, 1133548), (65, 1046352), (78, 871960), (80, 850161), (104, 653970), (120, 566774), (130, 523176), (156, 435980), (195, 348784), (208, 326985), (240, 283387), (260, 261588), (312, 217990), (390, 174392), (520, 130794), (624, 108995), (780, 87196), (1040, 65397), (1560, 43598), (3120, 21799)]