8781780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 29877120

約数和(自身を除く): 21095340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 103, 105, 116, 140, 145, 147, 174, 196, 203, 206, 210, 245, 290, 294, 309, 348, 406, 412, 420, 435, 490, 515, 580, 588, 609, 618, 721, 735, 812, 870, 980, 1015, 1030, 1218, 1236, 1421, 1442, 1470, 1545, 1740, 2030, 2060, 2163, 2436, 2842, 2884, 2940, 2987, 3045, 3090, 3605, 4060, 4263, 4326, 5047, 5684, 5974, 6090, 6180, 7105, 7210, 8526, 8652, 8961, 10094, 10815, 11948, 12180, 14210, 14420, 14935, 15141, 17052, 17922, 20188, 20909, 21315, 21630, 25235, 28420, 29870, 30282, 35844, 41818, 42630, 43260, 44805, 50470, 59740, 60564, 62727, 75705, 83636, 85260, 89610, 100940, 104545, 125454, 146363, 151410, 179220, 209090, 250908, 292726, 302820, 313635, 418180, 439089, 585452, 627270, 731815, 878178, 1254540, 1463630, 1756356, 2195445, 2927260, 4390890, 8781780]

約数ペア:

[(1, 8781780), (2, 4390890), (3, 2927260), (4, 2195445), (5, 1756356), (6, 1463630), (7, 1254540), (10, 878178), (12, 731815), (14, 627270), (15, 585452), (20, 439089), (21, 418180), (28, 313635), (29, 302820), (30, 292726), (35, 250908), (42, 209090), (49, 179220), (58, 151410), (60, 146363), (70, 125454), (84, 104545), (87, 100940), (98, 89610), (103, 85260), (105, 83636), (116, 75705), (140, 62727), (145, 60564), (147, 59740), (174, 50470), (196, 44805), (203, 43260), (206, 42630), (210, 41818), (245, 35844), (290, 30282), (294, 29870), (309, 28420), (348, 25235), (406, 21630), (412, 21315), (420, 20909), (435, 20188), (490, 17922), (515, 17052), (580, 15141), (588, 14935), (609, 14420), (618, 14210), (721, 12180), (735, 11948), (812, 10815), (870, 10094), (980, 8961), (1015, 8652), (1030, 8526), (1218, 7210), (1236, 7105), (1421, 6180), (1442, 6090), (1470, 5974), (1545, 5684), (1740, 5047), (2030, 4326), (2060, 4263), (2163, 4060), (2436, 3605), (2842, 3090), (2884, 3045), (2940, 2987)]