260016615

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 268751385

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 67, 85, 89, 95, 135, 153, 171, 201, 255, 267, 285, 323, 335, 445, 459, 513, 603, 765, 801, 855, 969, 1005, 1139, 1273, 1335, 1513, 1615, 1691, 1809, 2295, 2403, 2565, 2907, 3015, 3417, 3819, 4005, 4539, 4845, 5073, 5695, 5963, 6365, 7565, 8455, 8721, 9045, 10251, 11457, 12015, 13617, 14535, 15219, 17085, 17889, 19095, 21641, 22695, 25365, 28747, 29815, 30753, 34371, 40851, 43605, 45657, 51255, 53667, 57285, 64923, 68085, 76095, 86241, 89445, 101371, 108205, 113297, 143735, 153765, 161001, 171855, 194769, 204255, 228285, 258723, 268335, 304113, 324615, 339891, 431205, 506855, 566485, 584307, 776169, 805005, 912339, 973845, 1019673, 1293615, 1520565, 1699455, 1926049, 2737017, 2921535, 3059019, 3880845, 4561695, 5098365, 5778147, 9630245, 13685085, 15295095, 17334441, 28890735, 52003323, 86672205, 260016615]

約数ペア:

[(1, 260016615), (3, 86672205), (5, 52003323), (9, 28890735), (15, 17334441), (17, 15295095), (19, 13685085), (27, 9630245), (45, 5778147), (51, 5098365), (57, 4561695), (67, 3880845), (85, 3059019), (89, 2921535), (95, 2737017), (135, 1926049), (153, 1699455), (171, 1520565), (201, 1293615), (255, 1019673), (267, 973845), (285, 912339), (323, 805005), (335, 776169), (445, 584307), (459, 566485), (513, 506855), (603, 431205), (765, 339891), (801, 324615), (855, 304113), (969, 268335), (1005, 258723), (1139, 228285), (1273, 204255), (1335, 194769), (1513, 171855), (1615, 161001), (1691, 153765), (1809, 143735), (2295, 113297), (2403, 108205), (2565, 101371), (2907, 89445), (3015, 86241), (3417, 76095), (3819, 68085), (4005, 64923), (4539, 57285), (4845, 53667), (5073, 51255), (5695, 45657), (5963, 43605), (6365, 40851), (7565, 34371), (8455, 30753), (8721, 29815), (9045, 28747), (10251, 25365), (11457, 22695), (12015, 21641), (13617, 19095), (14535, 17889), (15219, 17085)]