40839540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 137894400

約数和(自身を除く): 97054860

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, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 479, 490, 580, 588, 609, 735, 812, 870, 958, 980, 1015, 1218, 1421, 1437, 1470, 1740, 1916, 2030, 2395, 2436, 2842, 2874, 2940, 3045, 3353, 4060, 4263, 4790, 5684, 5748, 6090, 6706, 7105, 7185, 8526, 9580, 10059, 12180, 13412, 13891, 14210, 14370, 16765, 17052, 20118, 21315, 23471, 27782, 28420, 28740, 33530, 40236, 41673, 42630, 46942, 50295, 55564, 67060, 69455, 70413, 83346, 85260, 93884, 97237, 100590, 117355, 138910, 140826, 166692, 194474, 201180, 208365, 234710, 277820, 281652, 291711, 352065, 388948, 416730, 469420, 486185, 583422, 680659, 704130, 833460, 972370, 1166844, 1361318, 1408260, 1458555, 1944740, 2041977, 2722636, 2917110, 3403295, 4083954, 5834220, 6806590, 8167908, 10209885, 13613180, 20419770, 40839540]

約数ペア:

[(1, 40839540), (2, 20419770), (3, 13613180), (4, 10209885), (5, 8167908), (6, 6806590), (7, 5834220), (10, 4083954), (12, 3403295), (14, 2917110), (15, 2722636), (20, 2041977), (21, 1944740), (28, 1458555), (29, 1408260), (30, 1361318), (35, 1166844), (42, 972370), (49, 833460), (58, 704130), (60, 680659), (70, 583422), (84, 486185), (87, 469420), (98, 416730), (105, 388948), (116, 352065), (140, 291711), (145, 281652), (147, 277820), (174, 234710), (196, 208365), (203, 201180), (210, 194474), (245, 166692), (290, 140826), (294, 138910), (348, 117355), (406, 100590), (420, 97237), (435, 93884), (479, 85260), (490, 83346), (580, 70413), (588, 69455), (609, 67060), (735, 55564), (812, 50295), (870, 46942), (958, 42630), (980, 41673), (1015, 40236), (1218, 33530), (1421, 28740), (1437, 28420), (1470, 27782), (1740, 23471), (1916, 21315), (2030, 20118), (2395, 17052), (2436, 16765), (2842, 14370), (2874, 14210), (2940, 13891), (3045, 13412), (3353, 12180), (4060, 10059), (4263, 9580), (4790, 8526), (5684, 7185), (5748, 7105), (6090, 6706)]