261423720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{242059}}^1$

素因数の和:242079

約数の個数: 64

約数和(自身を含む): 871416000

約数和(自身を除く): 609992280

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, 242059, 484118, 726177, 968236, 1210295, 1452354, 1936472, 2178531, 2420590, 2904708, 3630885, 4357062, 4841180, 5809416, 6535593, 7261770, 8714124, 9682360, 10892655, 13071186, 14523540, 17428248, 21785310, 26142372, 29047080, 32677965, 43570620, 52284744, 65355930, 87141240, 130711860, 261423720]

約数ペア:

[(1, 261423720), (2, 130711860), (3, 87141240), (4, 65355930), (5, 52284744), (6, 43570620), (8, 32677965), (9, 29047080), (10, 26142372), (12, 21785310), (15, 17428248), (18, 14523540), (20, 13071186), (24, 10892655), (27, 9682360), (30, 8714124), (36, 7261770), (40, 6535593), (45, 5809416), (54, 4841180), (60, 4357062), (72, 3630885), (90, 2904708), (108, 2420590), (120, 2178531), (135, 1936472), (180, 1452354), (216, 1210295), (270, 968236), (360, 726177), (540, 484118), (1080, 242059)]