78456280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7573}}^1$

素因数の和:7628

約数の個数: 64

約数和(自身を含む): 207224640

約数和(自身を除く): 128768360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 7573, 10360, 15146, 30292, 37865, 53011, 60584, 75730, 106022, 151460, 212044, 265055, 280201, 302920, 424088, 530110, 560402, 1060220, 1120804, 1401005, 1961407, 2120440, 2241608, 2802010, 3922814, 5604020, 7845628, 9807035, 11208040, 15691256, 19614070, 39228140, 78456280]

約数ペア:

[(1, 78456280), (2, 39228140), (4, 19614070), (5, 15691256), (7, 11208040), (8, 9807035), (10, 7845628), (14, 5604020), (20, 3922814), (28, 2802010), (35, 2241608), (37, 2120440), (40, 1961407), (56, 1401005), (70, 1120804), (74, 1060220), (140, 560402), (148, 530110), (185, 424088), (259, 302920), (280, 280201), (296, 265055), (370, 212044), (518, 151460), (740, 106022), (1036, 75730), (1295, 60584), (1480, 53011), (2072, 37865), (2590, 30292), (5180, 15146), (7573, 10360)]