51277980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 155937600

約数和(自身を除く): 104659620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 389, 390, 507, 676, 778, 780, 845, 1014, 1167, 1556, 1690, 1945, 2028, 2197, 2334, 2535, 3380, 3890, 4394, 4668, 5057, 5070, 5835, 6591, 7780, 8788, 10114, 10140, 10985, 11670, 13182, 15171, 20228, 21970, 23340, 25285, 26364, 30342, 32955, 43940, 50570, 60684, 65741, 65910, 75855, 101140, 131482, 131820, 151710, 197223, 262964, 303420, 328705, 394446, 657410, 788892, 854633, 986115, 1314820, 1709266, 1972230, 2563899, 3418532, 3944460, 4273165, 5127798, 8546330, 10255596, 12819495, 17092660, 25638990, 51277980]

約数ペア:

[(1, 51277980), (2, 25638990), (3, 17092660), (4, 12819495), (5, 10255596), (6, 8546330), (10, 5127798), (12, 4273165), (13, 3944460), (15, 3418532), (20, 2563899), (26, 1972230), (30, 1709266), (39, 1314820), (52, 986115), (60, 854633), (65, 788892), (78, 657410), (130, 394446), (156, 328705), (169, 303420), (195, 262964), (260, 197223), (338, 151710), (389, 131820), (390, 131482), (507, 101140), (676, 75855), (778, 65910), (780, 65741), (845, 60684), (1014, 50570), (1167, 43940), (1556, 32955), (1690, 30342), (1945, 26364), (2028, 25285), (2197, 23340), (2334, 21970), (2535, 20228), (3380, 15171), (3890, 13182), (4394, 11670), (4668, 10985), (5057, 10140), (5070, 10114), (5835, 8788), (6591, 7780)]