78891240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15289}}^1$

素因数の和:15346

約数の個数: 64

約数和(自身を含む): 242193600

約数和(自身を除く): 163302360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15289, 30578, 45867, 61156, 76445, 91734, 122312, 152890, 183468, 229335, 305780, 366936, 458670, 611560, 657427, 917340, 1314854, 1834680, 1972281, 2629708, 3287135, 3944562, 5259416, 6574270, 7889124, 9861405, 13148540, 15778248, 19722810, 26297080, 39445620, 78891240]

約数ペア:

[(1, 78891240), (2, 39445620), (3, 26297080), (4, 19722810), (5, 15778248), (6, 13148540), (8, 9861405), (10, 7889124), (12, 6574270), (15, 5259416), (20, 3944562), (24, 3287135), (30, 2629708), (40, 1972281), (43, 1834680), (60, 1314854), (86, 917340), (120, 657427), (129, 611560), (172, 458670), (215, 366936), (258, 305780), (344, 229335), (430, 183468), (516, 152890), (645, 122312), (860, 91734), (1032, 76445), (1290, 61156), (1720, 45867), (2580, 30578), (5160, 15289)]