77921820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2243}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 237693456

約数和(自身を除く): 159771636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2243, 2316, 2895, 3474, 3860, 4486, 5790, 6729, 6948, 8685, 8972, 11215, 11580, 13458, 17370, 20187, 22430, 26916, 33645, 34740, 40374, 44860, 67290, 80748, 100935, 134580, 201870, 403740, 432899, 865798, 1298697, 1731596, 2164495, 2597394, 3896091, 4328990, 5194788, 6493485, 7792182, 8657980, 12986970, 15584364, 19480455, 25973940, 38960910, 77921820]

約数ペア:

[(1, 77921820), (2, 38960910), (3, 25973940), (4, 19480455), (5, 15584364), (6, 12986970), (9, 8657980), (10, 7792182), (12, 6493485), (15, 5194788), (18, 4328990), (20, 3896091), (30, 2597394), (36, 2164495), (45, 1731596), (60, 1298697), (90, 865798), (180, 432899), (193, 403740), (386, 201870), (579, 134580), (772, 100935), (965, 80748), (1158, 67290), (1737, 44860), (1930, 40374), (2243, 34740), (2316, 33645), (2895, 26916), (3474, 22430), (3860, 20187), (4486, 17370), (5790, 13458), (6729, 11580), (6948, 11215), (8685, 8972)]