77210720

素因数分解:

$2^5\times 5^1\times {\mathrm{653}}^1\times {\mathrm{739}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 182936880

約数和(自身を除く): 105726160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 653, 739, 1306, 1478, 2612, 2956, 3265, 3695, 5224, 5912, 6530, 7390, 10448, 11824, 13060, 14780, 20896, 23648, 26120, 29560, 52240, 59120, 104480, 118240, 482567, 965134, 1930268, 2412835, 3860536, 4825670, 7721072, 9651340, 15442144, 19302680, 38605360, 77210720]

約数ペア:

[(1, 77210720), (2, 38605360), (4, 19302680), (5, 15442144), (8, 9651340), (10, 7721072), (16, 4825670), (20, 3860536), (32, 2412835), (40, 1930268), (80, 965134), (160, 482567), (653, 118240), (739, 104480), (1306, 59120), (1478, 52240), (2612, 29560), (2956, 26120), (3265, 23648), (3695, 20896), (5224, 14780), (5912, 13060), (6530, 11824), (7390, 10448)]