1790460

素因数分解:

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

素因数の和:65

約数の個数: 144

約数和(自身を含む): 6552000

約数和(自身を除く): 4761540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 245, 252, 261, 290, 294, 315, 343, 348, 406, 420, 435, 441, 490, 522, 580, 588, 609, 630, 686, 735, 812, 870, 882, 980, 1015, 1029, 1044, 1218, 1260, 1305, 1372, 1421, 1470, 1715, 1740, 1764, 1827, 2030, 2058, 2205, 2436, 2610, 2842, 2940, 3045, 3087, 3430, 3654, 4060, 4116, 4263, 4410, 5145, 5220, 5684, 6090, 6174, 6860, 7105, 7308, 8526, 8820, 9135, 9947, 10290, 12180, 12348, 12789, 14210, 15435, 17052, 18270, 19894, 20580, 21315, 25578, 28420, 29841, 30870, 36540, 39788, 42630, 49735, 51156, 59682, 61740, 63945, 85260, 89523, 99470, 119364, 127890, 149205, 179046, 198940, 255780, 298410, 358092, 447615, 596820, 895230, 1790460]

約数ペア:

[(1, 1790460), (2, 895230), (3, 596820), (4, 447615), (5, 358092), (6, 298410), (7, 255780), (9, 198940), (10, 179046), (12, 149205), (14, 127890), (15, 119364), (18, 99470), (20, 89523), (21, 85260), (28, 63945), (29, 61740), (30, 59682), (35, 51156), (36, 49735), (42, 42630), (45, 39788), (49, 36540), (58, 30870), (60, 29841), (63, 28420), (70, 25578), (84, 21315), (87, 20580), (90, 19894), (98, 18270), (105, 17052), (116, 15435), (126, 14210), (140, 12789), (145, 12348), (147, 12180), (174, 10290), (180, 9947), (196, 9135), (203, 8820), (210, 8526), (245, 7308), (252, 7105), (261, 6860), (290, 6174), (294, 6090), (315, 5684), (343, 5220), (348, 5145), (406, 4410), (420, 4263), (435, 4116), (441, 4060), (490, 3654), (522, 3430), (580, 3087), (588, 3045), (609, 2940), (630, 2842), (686, 2610), (735, 2436), (812, 2205), (870, 2058), (882, 2030), (980, 1827), (1015, 1764), (1029, 1740), (1044, 1715), (1218, 1470), (1260, 1421), (1305, 1372)]