20342184800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{7459}}^1$

素因数の和:7973

約数の個数: 144

約数和(自身を含む): 56878859520

約数和(自身を除く): 36536674720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 487, 560, 700, 800, 974, 1120, 1400, 1948, 2435, 2800, 3409, 3896, 4870, 5600, 6818, 7459, 7792, 9740, 12175, 13636, 14918, 15584, 17045, 19480, 24350, 27272, 29836, 34090, 37295, 38960, 48700, 52213, 54544, 59672, 68180, 74590, 77920, 85225, 97400, 104426, 109088, 119344, 136360, 149180, 170450, 186475, 194800, 208852, 238688, 261065, 272720, 298360, 340900, 372950, 389600, 417704, 522130, 545440, 596720, 681800, 745900, 835408, 1044260, 1193440, 1305325, 1363600, 1491800, 1670816, 2088520, 2610650, 2727200, 2983600, 3632533, 4177040, 5221300, 5967200, 7265066, 8354080, 10442600, 14530132, 18162665, 20885200, 25427731, 29060264, 36325330, 41770400, 50855462, 58120528, 72650660, 90813325, 101710924, 116241056, 127138655, 145301320, 181626650, 203421848, 254277310, 290602640, 363253300, 406843696, 508554620, 581205280, 635693275, 726506600, 813687392, 1017109240, 1271386550, 1453013200, 2034218480, 2542773100, 2906026400, 4068436960, 5085546200, 10171092400, 20342184800]

約数ペア:

[(1, 20342184800), (2, 10171092400), (4, 5085546200), (5, 4068436960), (7, 2906026400), (8, 2542773100), (10, 2034218480), (14, 1453013200), (16, 1271386550), (20, 1017109240), (25, 813687392), (28, 726506600), (32, 635693275), (35, 581205280), (40, 508554620), (50, 406843696), (56, 363253300), (70, 290602640), (80, 254277310), (100, 203421848), (112, 181626650), (140, 145301320), (160, 127138655), (175, 116241056), (200, 101710924), (224, 90813325), (280, 72650660), (350, 58120528), (400, 50855462), (487, 41770400), (560, 36325330), (700, 29060264), (800, 25427731), (974, 20885200), (1120, 18162665), (1400, 14530132), (1948, 10442600), (2435, 8354080), (2800, 7265066), (3409, 5967200), (3896, 5221300), (4870, 4177040), (5600, 3632533), (6818, 2983600), (7459, 2727200), (7792, 2610650), (9740, 2088520), (12175, 1670816), (13636, 1491800), (14918, 1363600), (15584, 1305325), (17045, 1193440), (19480, 1044260), (24350, 835408), (27272, 745900), (29836, 681800), (34090, 596720), (37295, 545440), (38960, 522130), (48700, 417704), (52213, 389600), (54544, 372950), (59672, 340900), (68180, 298360), (74590, 272720), (77920, 261065), (85225, 238688), (97400, 208852), (104426, 194800), (109088, 186475), (119344, 170450), (136360, 149180)]