68884640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39139}}^1$

素因数の和:39165

約数の個数: 48

約数和(自身を含む): 177539040

約数和(自身を除く): 108654400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 39139, 78278, 156556, 195695, 313112, 391390, 430529, 626224, 782780, 861058, 1252448, 1565560, 1722116, 2152645, 3131120, 3444232, 4305290, 6262240, 6888464, 8610580, 13776928, 17221160, 34442320, 68884640]

約数ペア:

[(1, 68884640), (2, 34442320), (4, 17221160), (5, 13776928), (8, 8610580), (10, 6888464), (11, 6262240), (16, 4305290), (20, 3444232), (22, 3131120), (32, 2152645), (40, 1722116), (44, 1565560), (55, 1252448), (80, 861058), (88, 782780), (110, 626224), (160, 430529), (176, 391390), (220, 313112), (352, 195695), (440, 156556), (880, 78278), (1760, 39139)]