77281128

素因数分解:

$2^3\times 3^4\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 217800000

約数和(自身を除く): 140518872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 239, 324, 478, 499, 648, 717, 956, 998, 1434, 1497, 1912, 1996, 2151, 2868, 2994, 3992, 4302, 4491, 5736, 5988, 6453, 8604, 8982, 11976, 12906, 13473, 17208, 17964, 19359, 25812, 26946, 35928, 38718, 40419, 51624, 53892, 77436, 80838, 107784, 119261, 154872, 161676, 238522, 323352, 357783, 477044, 715566, 954088, 1073349, 1431132, 2146698, 2862264, 3220047, 4293396, 6440094, 8586792, 9660141, 12880188, 19320282, 25760376, 38640564, 77281128]

約数ペア:

[(1, 77281128), (2, 38640564), (3, 25760376), (4, 19320282), (6, 12880188), (8, 9660141), (9, 8586792), (12, 6440094), (18, 4293396), (24, 3220047), (27, 2862264), (36, 2146698), (54, 1431132), (72, 1073349), (81, 954088), (108, 715566), (162, 477044), (216, 357783), (239, 323352), (324, 238522), (478, 161676), (499, 154872), (648, 119261), (717, 107784), (956, 80838), (998, 77436), (1434, 53892), (1497, 51624), (1912, 40419), (1996, 38718), (2151, 35928), (2868, 26946), (2994, 25812), (3992, 19359), (4302, 17964), (4491, 17208), (5736, 13473), (5988, 12906), (6453, 11976), (8604, 8982)]