65878120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 187971840

約数和(自身を除く): 122093720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 110, 140, 146, 154, 220, 280, 292, 293, 308, 365, 385, 440, 511, 584, 586, 616, 730, 770, 803, 1022, 1172, 1460, 1465, 1540, 1606, 2044, 2051, 2344, 2555, 2920, 2930, 3080, 3212, 3223, 4015, 4088, 4102, 5110, 5621, 5860, 6424, 6446, 8030, 8204, 10220, 10255, 11242, 11720, 12892, 16060, 16115, 16408, 20440, 20510, 21389, 22484, 22561, 25784, 28105, 32120, 32230, 41020, 42778, 44968, 45122, 56210, 64460, 82040, 85556, 90244, 106945, 112420, 112805, 128920, 149723, 171112, 180488, 213890, 224840, 225610, 235279, 299446, 427780, 451220, 470558, 598892, 748615, 855560, 902440, 941116, 1176395, 1197784, 1497230, 1646953, 1882232, 2352790, 2994460, 3293906, 4705580, 5988920, 6587812, 8234765, 9411160, 13175624, 16469530, 32939060, 65878120]

約数ペア:

[(1, 65878120), (2, 32939060), (4, 16469530), (5, 13175624), (7, 9411160), (8, 8234765), (10, 6587812), (11, 5988920), (14, 4705580), (20, 3293906), (22, 2994460), (28, 2352790), (35, 1882232), (40, 1646953), (44, 1497230), (55, 1197784), (56, 1176395), (70, 941116), (73, 902440), (77, 855560), (88, 748615), (110, 598892), (140, 470558), (146, 451220), (154, 427780), (220, 299446), (280, 235279), (292, 225610), (293, 224840), (308, 213890), (365, 180488), (385, 171112), (440, 149723), (511, 128920), (584, 112805), (586, 112420), (616, 106945), (730, 90244), (770, 85556), (803, 82040), (1022, 64460), (1172, 56210), (1460, 45122), (1465, 44968), (1540, 42778), (1606, 41020), (2044, 32230), (2051, 32120), (2344, 28105), (2555, 25784), (2920, 22561), (2930, 22484), (3080, 21389), (3212, 20510), (3223, 20440), (4015, 16408), (4088, 16115), (4102, 16060), (5110, 12892), (5621, 11720), (5860, 11242), (6424, 10255), (6446, 10220), (8030, 8204)]