164580440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1823}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 386760960

約数和(自身を除く): 222180520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 1220, 1480, 1823, 2257, 2440, 3646, 4514, 7292, 9028, 9115, 11285, 14584, 18056, 18230, 22570, 36460, 45140, 67451, 72920, 90280, 111203, 134902, 222406, 269804, 337255, 444812, 539608, 556015, 674510, 889624, 1112030, 1349020, 2224060, 2698040, 4114511, 4448120, 8229022, 16458044, 20572555, 32916088, 41145110, 82290220, 164580440]

約数ペア:

[(1, 164580440), (2, 82290220), (4, 41145110), (5, 32916088), (8, 20572555), (10, 16458044), (20, 8229022), (37, 4448120), (40, 4114511), (61, 2698040), (74, 2224060), (122, 1349020), (148, 1112030), (185, 889624), (244, 674510), (296, 556015), (305, 539608), (370, 444812), (488, 337255), (610, 269804), (740, 222406), (1220, 134902), (1480, 111203), (1823, 90280), (2257, 72920), (2440, 67451), (3646, 45140), (4514, 36460), (7292, 22570), (9028, 18230), (9115, 18056), (11285, 14584)]