67701560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 161460000

約数和(自身を除く): 93758440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 389, 458, 760, 778, 916, 1145, 1556, 1832, 1945, 2290, 3112, 3890, 4351, 4580, 7391, 7780, 8702, 9160, 14782, 15560, 17404, 21755, 29564, 34808, 36955, 43510, 59128, 73910, 87020, 89081, 147820, 174040, 178162, 295640, 356324, 445405, 712648, 890810, 1692539, 1781620, 3385078, 3563240, 6770156, 8462695, 13540312, 16925390, 33850780, 67701560]

約数ペア:

[(1, 67701560), (2, 33850780), (4, 16925390), (5, 13540312), (8, 8462695), (10, 6770156), (19, 3563240), (20, 3385078), (38, 1781620), (40, 1692539), (76, 890810), (95, 712648), (152, 445405), (190, 356324), (229, 295640), (380, 178162), (389, 174040), (458, 147820), (760, 89081), (778, 87020), (916, 73910), (1145, 59128), (1556, 43510), (1832, 36955), (1945, 34808), (2290, 29564), (3112, 21755), (3890, 17404), (4351, 15560), (4580, 14782), (7391, 9160), (7780, 8702)]