66789900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:905

約数の個数: 144

約数和(自身を含む): 222381600

約数和(自身を除く): 155591700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 261, 270, 290, 300, 348, 435, 450, 522, 540, 580, 675, 725, 783, 853, 870, 900, 1044, 1305, 1350, 1450, 1566, 1706, 1740, 2175, 2559, 2610, 2700, 2900, 3132, 3412, 3915, 4265, 4350, 5118, 5220, 6525, 7677, 7830, 8530, 8700, 10236, 12795, 13050, 15354, 15660, 17060, 19575, 21325, 23031, 24737, 25590, 26100, 30708, 38385, 39150, 42650, 46062, 49474, 51180, 63975, 74211, 76770, 78300, 85300, 92124, 98948, 115155, 123685, 127950, 148422, 153540, 191925, 222633, 230310, 247370, 255900, 296844, 371055, 383850, 445266, 460620, 494740, 575775, 618425, 667899, 742110, 767700, 890532, 1113165, 1151550, 1236850, 1335798, 1484220, 1855275, 2226330, 2303100, 2473700, 2671596, 3339495, 3710550, 4452660, 5565825, 6678990, 7421100, 11131650, 13357980, 16697475, 22263300, 33394950, 66789900]

約数ペア:

[(1, 66789900), (2, 33394950), (3, 22263300), (4, 16697475), (5, 13357980), (6, 11131650), (9, 7421100), (10, 6678990), (12, 5565825), (15, 4452660), (18, 3710550), (20, 3339495), (25, 2671596), (27, 2473700), (29, 2303100), (30, 2226330), (36, 1855275), (45, 1484220), (50, 1335798), (54, 1236850), (58, 1151550), (60, 1113165), (75, 890532), (87, 767700), (90, 742110), (100, 667899), (108, 618425), (116, 575775), (135, 494740), (145, 460620), (150, 445266), (174, 383850), (180, 371055), (225, 296844), (261, 255900), (270, 247370), (290, 230310), (300, 222633), (348, 191925), (435, 153540), (450, 148422), (522, 127950), (540, 123685), (580, 115155), (675, 98948), (725, 92124), (783, 85300), (853, 78300), (870, 76770), (900, 74211), (1044, 63975), (1305, 51180), (1350, 49474), (1450, 46062), (1566, 42650), (1706, 39150), (1740, 38385), (2175, 30708), (2559, 26100), (2610, 25590), (2700, 24737), (2900, 23031), (3132, 21325), (3412, 19575), (3915, 17060), (4265, 15660), (4350, 15354), (5118, 13050), (5220, 12795), (6525, 10236), (7677, 8700), (7830, 8530)]