77730640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2468

約数の個数: 80

約数和(自身を含む): 200987136

約数和(自身を除く): 123256496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2411, 2480, 3224, 4030, 4822, 6448, 8060, 9644, 12055, 16120, 19288, 24110, 31343, 32240, 38576, 48220, 62686, 74741, 96440, 125372, 149482, 156715, 192880, 250744, 298964, 313430, 373705, 501488, 597928, 626860, 747410, 971633, 1195856, 1253720, 1494820, 1943266, 2507440, 2989640, 3886532, 4858165, 5979280, 7773064, 9716330, 15546128, 19432660, 38865320, 77730640]

約数ペア:

[(1, 77730640), (2, 38865320), (4, 19432660), (5, 15546128), (8, 9716330), (10, 7773064), (13, 5979280), (16, 4858165), (20, 3886532), (26, 2989640), (31, 2507440), (40, 1943266), (52, 1494820), (62, 1253720), (65, 1195856), (80, 971633), (104, 747410), (124, 626860), (130, 597928), (155, 501488), (208, 373705), (248, 313430), (260, 298964), (310, 250744), (403, 192880), (496, 156715), (520, 149482), (620, 125372), (806, 96440), (1040, 74741), (1240, 62686), (1612, 48220), (2015, 38576), (2411, 32240), (2480, 31343), (3224, 24110), (4030, 19288), (4822, 16120), (6448, 12055), (8060, 9644)]