1288396240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1549}}^1$

素因数の和:1880

約数の個数: 80

約数和(自身を含む): 3089422800

約数和(自身を除く): 1801026560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 281, 296, 370, 562, 592, 740, 1124, 1405, 1480, 1549, 2248, 2810, 2960, 3098, 4496, 5620, 6196, 7745, 10397, 11240, 12392, 15490, 20794, 22480, 24784, 30980, 41588, 51985, 57313, 61960, 83176, 103970, 114626, 123920, 166352, 207940, 229252, 286565, 415880, 435269, 458504, 573130, 831760, 870538, 917008, 1146260, 1741076, 2176345, 2292520, 3482152, 4352690, 4585040, 6964304, 8705380, 16104953, 17410760, 32209906, 34821520, 64419812, 80524765, 128839624, 161049530, 257679248, 322099060, 644198120, 1288396240]

約数ペア:

[(1, 1288396240), (2, 644198120), (4, 322099060), (5, 257679248), (8, 161049530), (10, 128839624), (16, 80524765), (20, 64419812), (37, 34821520), (40, 32209906), (74, 17410760), (80, 16104953), (148, 8705380), (185, 6964304), (281, 4585040), (296, 4352690), (370, 3482152), (562, 2292520), (592, 2176345), (740, 1741076), (1124, 1146260), (1405, 917008), (1480, 870538), (1549, 831760), (2248, 573130), (2810, 458504), (2960, 435269), (3098, 415880), (4496, 286565), (5620, 229252), (6196, 207940), (7745, 166352), (10397, 123920), (11240, 114626), (12392, 103970), (15490, 83176), (20794, 61960), (22480, 57313), (24784, 51985), (30980, 41588)]