16404724840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{5273}}^1$

素因数の和:5603

約数の個数: 128

約数和(自身を含む): 43380126720

約数和(自身を除く): 26975401880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 271, 280, 287, 328, 410, 542, 574, 820, 1084, 1148, 1355, 1435, 1640, 1897, 2168, 2296, 2710, 2870, 3794, 5273, 5420, 5740, 7588, 9485, 10546, 10840, 11111, 11480, 15176, 18970, 21092, 22222, 26365, 36911, 37940, 42184, 44444, 52730, 55555, 73822, 75880, 77777, 88888, 105460, 111110, 147644, 155554, 184555, 210920, 216193, 222220, 295288, 311108, 369110, 388885, 432386, 444440, 622216, 738220, 777770, 864772, 1080965, 1428983, 1476440, 1513351, 1555540, 1729544, 2161930, 2857966, 3026702, 3111080, 4323860, 5715932, 6053404, 7144915, 7566755, 8647720, 10002881, 11431864, 12106808, 14289830, 15133510, 20005762, 28579660, 30267020, 40011524, 50014405, 57159320, 58588303, 60534040, 80023048, 100028810, 117176606, 200057620, 234353212, 292941515, 400115240, 410118121, 468706424, 585883030, 820236242, 1171766060, 1640472484, 2050590605, 2343532120, 3280944968, 4101181210, 8202362420, 16404724840]

約数ペア:

[(1, 16404724840), (2, 8202362420), (4, 4101181210), (5, 3280944968), (7, 2343532120), (8, 2050590605), (10, 1640472484), (14, 1171766060), (20, 820236242), (28, 585883030), (35, 468706424), (40, 410118121), (41, 400115240), (56, 292941515), (70, 234353212), (82, 200057620), (140, 117176606), (164, 100028810), (205, 80023048), (271, 60534040), (280, 58588303), (287, 57159320), (328, 50014405), (410, 40011524), (542, 30267020), (574, 28579660), (820, 20005762), (1084, 15133510), (1148, 14289830), (1355, 12106808), (1435, 11431864), (1640, 10002881), (1897, 8647720), (2168, 7566755), (2296, 7144915), (2710, 6053404), (2870, 5715932), (3794, 4323860), (5273, 3111080), (5420, 3026702), (5740, 2857966), (7588, 2161930), (9485, 1729544), (10546, 1555540), (10840, 1513351), (11111, 1476440), (11480, 1428983), (15176, 1080965), (18970, 864772), (21092, 777770), (22222, 738220), (26365, 622216), (36911, 444440), (37940, 432386), (42184, 388885), (44444, 369110), (52730, 311108), (55555, 295288), (73822, 222220), (75880, 216193), (77777, 210920), (88888, 184555), (105460, 155554), (111110, 147644)]