79987740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 264595968

約数和(自身を除く): 184608228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 103, 105, 129, 140, 172, 206, 210, 215, 258, 301, 309, 412, 420, 430, 515, 516, 602, 618, 645, 721, 860, 903, 1030, 1204, 1236, 1290, 1442, 1505, 1545, 1806, 1849, 2060, 2163, 2580, 2884, 3010, 3090, 3605, 3612, 3698, 4326, 4429, 4515, 5547, 6020, 6180, 7210, 7396, 8652, 8858, 9030, 9245, 10815, 11094, 12943, 13287, 14420, 17716, 18060, 18490, 21630, 22145, 22188, 25886, 26574, 27735, 31003, 36980, 38829, 43260, 44290, 51772, 53148, 55470, 62006, 64715, 66435, 77658, 88580, 93009, 110940, 124012, 129430, 132870, 155015, 155316, 186018, 190447, 194145, 258860, 265740, 310030, 372036, 380894, 388290, 465045, 571341, 620060, 761788, 776580, 930090, 952235, 1142682, 1333129, 1860180, 1904470, 2285364, 2666258, 2856705, 3808940, 3999387, 5332516, 5713410, 6665645, 7998774, 11426820, 13331290, 15997548, 19996935, 26662580, 39993870, 79987740]

約数ペア:

[(1, 79987740), (2, 39993870), (3, 26662580), (4, 19996935), (5, 15997548), (6, 13331290), (7, 11426820), (10, 7998774), (12, 6665645), (14, 5713410), (15, 5332516), (20, 3999387), (21, 3808940), (28, 2856705), (30, 2666258), (35, 2285364), (42, 1904470), (43, 1860180), (60, 1333129), (70, 1142682), (84, 952235), (86, 930090), (103, 776580), (105, 761788), (129, 620060), (140, 571341), (172, 465045), (206, 388290), (210, 380894), (215, 372036), (258, 310030), (301, 265740), (309, 258860), (412, 194145), (420, 190447), (430, 186018), (515, 155316), (516, 155015), (602, 132870), (618, 129430), (645, 124012), (721, 110940), (860, 93009), (903, 88580), (1030, 77658), (1204, 66435), (1236, 64715), (1290, 62006), (1442, 55470), (1505, 53148), (1545, 51772), (1806, 44290), (1849, 43260), (2060, 38829), (2163, 36980), (2580, 31003), (2884, 27735), (3010, 26574), (3090, 25886), (3605, 22188), (3612, 22145), (3698, 21630), (4326, 18490), (4429, 18060), (4515, 17716), (5547, 14420), (6020, 13287), (6180, 12943), (7210, 11094), (7396, 10815), (8652, 9245), (8858, 9030)]