668156940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337453}}^1$

素因数の和:337479

約数の個数: 72

約数和(自身を含む): 2210998608

約数和(自身を除く): 1542841668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 337453, 674906, 1012359, 1349812, 1687265, 2024718, 3037077, 3374530, 3711983, 4049436, 5061795, 6074154, 6749060, 7423966, 10123590, 11135949, 12148308, 14847932, 15185385, 18559915, 20247180, 22271898, 30370770, 33407847, 37119830, 44543796, 55679745, 60741540, 66815694, 74239660, 111359490, 133631388, 167039235, 222718980, 334078470, 668156940]

約数ペア:

[(1, 668156940), (2, 334078470), (3, 222718980), (4, 167039235), (5, 133631388), (6, 111359490), (9, 74239660), (10, 66815694), (11, 60741540), (12, 55679745), (15, 44543796), (18, 37119830), (20, 33407847), (22, 30370770), (30, 22271898), (33, 20247180), (36, 18559915), (44, 15185385), (45, 14847932), (55, 12148308), (60, 11135949), (66, 10123590), (90, 7423966), (99, 6749060), (110, 6074154), (132, 5061795), (165, 4049436), (180, 3711983), (198, 3374530), (220, 3037077), (330, 2024718), (396, 1687265), (495, 1349812), (660, 1012359), (990, 674906), (1980, 337453)]