204121080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:922

約数の個数: 128

約数和(自身を含む): 683654400

約数和(自身を除く): 479533320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 331, 360, 540, 571, 662, 993, 1080, 1142, 1324, 1655, 1713, 1986, 2284, 2648, 2855, 2979, 3310, 3426, 3972, 4568, 4965, 5139, 5710, 5958, 6620, 6852, 7944, 8565, 8937, 9930, 10278, 11420, 11916, 13240, 13704, 14895, 15417, 17130, 17874, 19860, 20556, 22840, 23832, 25695, 29790, 30834, 34260, 35748, 39720, 41112, 44685, 51390, 59580, 61668, 68520, 71496, 77085, 89370, 102780, 119160, 123336, 154170, 178740, 189001, 205560, 308340, 357480, 378002, 567003, 616680, 756004, 945005, 1134006, 1512008, 1701009, 1890010, 2268012, 2835015, 3402018, 3780020, 4536024, 5103027, 5670030, 6804036, 7560040, 8505045, 10206054, 11340060, 13608072, 17010090, 20412108, 22680120, 25515135, 34020180, 40824216, 51030270, 68040360, 102060540, 204121080]

約数ペア:

[(1, 204121080), (2, 102060540), (3, 68040360), (4, 51030270), (5, 40824216), (6, 34020180), (8, 25515135), (9, 22680120), (10, 20412108), (12, 17010090), (15, 13608072), (18, 11340060), (20, 10206054), (24, 8505045), (27, 7560040), (30, 6804036), (36, 5670030), (40, 5103027), (45, 4536024), (54, 3780020), (60, 3402018), (72, 2835015), (90, 2268012), (108, 1890010), (120, 1701009), (135, 1512008), (180, 1134006), (216, 945005), (270, 756004), (331, 616680), (360, 567003), (540, 378002), (571, 357480), (662, 308340), (993, 205560), (1080, 189001), (1142, 178740), (1324, 154170), (1655, 123336), (1713, 119160), (1986, 102780), (2284, 89370), (2648, 77085), (2855, 71496), (2979, 68520), (3310, 61668), (3426, 59580), (3972, 51390), (4568, 44685), (4965, 41112), (5139, 39720), (5710, 35748), (5958, 34260), (6620, 30834), (6852, 29790), (7944, 25695), (8565, 23832), (8937, 22840), (9930, 20556), (10278, 19860), (11420, 17874), (11916, 17130), (13240, 15417), (13704, 14895)]