1279580080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{3613}}^1$

素因数の和:3878

約数の個数: 80

約数和(自身を含む): 3145914720

約数和(自身を除く): 1866334640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 233, 304, 380, 466, 760, 932, 1165, 1520, 1864, 2330, 3613, 3728, 4427, 4660, 7226, 8854, 9320, 14452, 17708, 18065, 18640, 22135, 28904, 35416, 36130, 44270, 57808, 68647, 70832, 72260, 88540, 137294, 144520, 177080, 274588, 289040, 343235, 354160, 549176, 686470, 841829, 1098352, 1372940, 1683658, 2745880, 3367316, 4209145, 5491760, 6734632, 8418290, 13469264, 15994751, 16836580, 31989502, 33673160, 63979004, 67346320, 79973755, 127958008, 159947510, 255916016, 319895020, 639790040, 1279580080]

約数ペア:

[(1, 1279580080), (2, 639790040), (4, 319895020), (5, 255916016), (8, 159947510), (10, 127958008), (16, 79973755), (19, 67346320), (20, 63979004), (38, 33673160), (40, 31989502), (76, 16836580), (80, 15994751), (95, 13469264), (152, 8418290), (190, 6734632), (233, 5491760), (304, 4209145), (380, 3367316), (466, 2745880), (760, 1683658), (932, 1372940), (1165, 1098352), (1520, 841829), (1864, 686470), (2330, 549176), (3613, 354160), (3728, 343235), (4427, 289040), (4660, 274588), (7226, 177080), (8854, 144520), (9320, 137294), (14452, 88540), (17708, 72260), (18065, 70832), (18640, 68647), (22135, 57808), (28904, 44270), (35416, 36130)]