6643670240

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{563}}^2$

素因数の和:1272

約数の個数: 72

約数和(自身を含む): 15843626568

約数和(自身を除く): 9199956328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 563, 655, 1048, 1126, 1310, 2096, 2252, 2620, 2815, 4192, 4504, 5240, 5630, 9008, 10480, 11260, 18016, 20960, 22520, 45040, 73753, 90080, 147506, 295012, 316969, 368765, 590024, 633938, 737530, 1180048, 1267876, 1475060, 1584845, 2360096, 2535752, 2950120, 3169690, 5071504, 5900240, 6339380, 10143008, 11800480, 12678760, 25357520, 41522939, 50715040, 83045878, 166091756, 207614695, 332183512, 415229390, 664367024, 830458780, 1328734048, 1660917560, 3321835120, 6643670240]

約数ペア:

[(1, 6643670240), (2, 3321835120), (4, 1660917560), (5, 1328734048), (8, 830458780), (10, 664367024), (16, 415229390), (20, 332183512), (32, 207614695), (40, 166091756), (80, 83045878), (131, 50715040), (160, 41522939), (262, 25357520), (524, 12678760), (563, 11800480), (655, 10143008), (1048, 6339380), (1126, 5900240), (1310, 5071504), (2096, 3169690), (2252, 2950120), (2620, 2535752), (2815, 2360096), (4192, 1584845), (4504, 1475060), (5240, 1267876), (5630, 1180048), (9008, 737530), (10480, 633938), (11260, 590024), (18016, 368765), (20960, 316969), (22520, 295012), (45040, 147506), (73753, 90080)]