123821820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6311}}^1$

素因数の和:6435

約数の個数: 72

約数和(自身を含む): 379098720

約数和(自身を除く): 255276900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6311, 6540, 9810, 12622, 18933, 19620, 25244, 31555, 37866, 56799, 63110, 75732, 94665, 113598, 126220, 189330, 227196, 283995, 378660, 567990, 687899, 1135980, 1375798, 2063697, 2751596, 3439495, 4127394, 6191091, 6878990, 8254788, 10318485, 12382182, 13757980, 20636970, 24764364, 30955455, 41273940, 61910910, 123821820]

約数ペア:

[(1, 123821820), (2, 61910910), (3, 41273940), (4, 30955455), (5, 24764364), (6, 20636970), (9, 13757980), (10, 12382182), (12, 10318485), (15, 8254788), (18, 6878990), (20, 6191091), (30, 4127394), (36, 3439495), (45, 2751596), (60, 2063697), (90, 1375798), (109, 1135980), (180, 687899), (218, 567990), (327, 378660), (436, 283995), (545, 227196), (654, 189330), (981, 126220), (1090, 113598), (1308, 94665), (1635, 75732), (1962, 63110), (2180, 56799), (3270, 37866), (3924, 31555), (4905, 25244), (6311, 19620), (6540, 18933), (9810, 12622)]