1681947720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1557359}}^1$

素因数の和:1557379

約数の個数: 64

約数和(自身を含む): 5606496000

約数和(自身を除く): 3924548280

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, 360, 540, 1080, 1557359, 3114718, 4672077, 6229436, 7786795, 9344154, 12458872, 14016231, 15573590, 18688308, 23360385, 28032462, 31147180, 37376616, 42048693, 46720770, 56064924, 62294360, 70081155, 84097386, 93441540, 112129848, 140162310, 168194772, 186883080, 210243465, 280324620, 336389544, 420486930, 560649240, 840973860, 1681947720]

約数ペア:

[(1, 1681947720), (2, 840973860), (3, 560649240), (4, 420486930), (5, 336389544), (6, 280324620), (8, 210243465), (9, 186883080), (10, 168194772), (12, 140162310), (15, 112129848), (18, 93441540), (20, 84097386), (24, 70081155), (27, 62294360), (30, 56064924), (36, 46720770), (40, 42048693), (45, 37376616), (54, 31147180), (60, 28032462), (72, 23360385), (90, 18688308), (108, 15573590), (120, 14016231), (135, 12458872), (180, 9344154), (216, 7786795), (270, 6229436), (360, 4672077), (540, 3114718), (1080, 1557359)]