54978280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8537}}^1$

素因数の和:8578

約数の個数: 64

約数和(自身を含む): 147536640

約数和(自身を除く): 92558360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 8537, 17074, 34148, 42685, 59759, 68296, 85370, 119518, 170740, 196351, 239036, 298795, 341480, 392702, 478072, 597590, 785404, 981755, 1195180, 1374457, 1570808, 1963510, 2390360, 2748914, 3927020, 5497828, 6872285, 7854040, 10995656, 13744570, 27489140, 54978280]

約数ペア:

[(1, 54978280), (2, 27489140), (4, 13744570), (5, 10995656), (7, 7854040), (8, 6872285), (10, 5497828), (14, 3927020), (20, 2748914), (23, 2390360), (28, 1963510), (35, 1570808), (40, 1374457), (46, 1195180), (56, 981755), (70, 785404), (92, 597590), (115, 478072), (140, 392702), (161, 341480), (184, 298795), (230, 239036), (280, 196351), (322, 170740), (460, 119518), (644, 85370), (805, 68296), (920, 59759), (1288, 42685), (1610, 34148), (3220, 17074), (6440, 8537)]