68961920

素因数分解:

$2^7\times 5^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 165882600

約数和(自身を除く): 96920680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 277, 320, 389, 554, 640, 778, 1108, 1385, 1556, 1945, 2216, 2770, 3112, 3890, 4432, 5540, 6224, 7780, 8864, 11080, 12448, 15560, 17728, 22160, 24896, 31120, 35456, 44320, 49792, 62240, 88640, 107753, 124480, 177280, 215506, 248960, 431012, 538765, 862024, 1077530, 1724048, 2155060, 3448096, 4310120, 6896192, 8620240, 13792384, 17240480, 34480960, 68961920]

約数ペア:

[(1, 68961920), (2, 34480960), (4, 17240480), (5, 13792384), (8, 8620240), (10, 6896192), (16, 4310120), (20, 3448096), (32, 2155060), (40, 1724048), (64, 1077530), (80, 862024), (128, 538765), (160, 431012), (277, 248960), (320, 215506), (389, 177280), (554, 124480), (640, 107753), (778, 88640), (1108, 62240), (1385, 49792), (1556, 44320), (1945, 35456), (2216, 31120), (2770, 24896), (3112, 22160), (3890, 17728), (4432, 15560), (5540, 12448), (6224, 11080), (7780, 8864)]