259494840

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:849

約数の個数: 224

約数和(自身を含む): 956156400

約数和(自身を除く): 696661560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 243, 264, 270, 297, 324, 330, 360, 396, 405, 440, 486, 495, 540, 594, 648, 660, 729, 792, 809, 810, 891, 972, 990, 1080, 1188, 1215, 1320, 1458, 1485, 1618, 1620, 1782, 1944, 1980, 2376, 2427, 2430, 2673, 2916, 2970, 3236, 3240, 3564, 3645, 3960, 4045, 4455, 4854, 4860, 5346, 5832, 5940, 6472, 7128, 7281, 7290, 8019, 8090, 8899, 8910, 9708, 9720, 10692, 11880, 12135, 13365, 14562, 14580, 16038, 16180, 17798, 17820, 19416, 21384, 21843, 24270, 26697, 26730, 29124, 29160, 32076, 32360, 35596, 35640, 36405, 40095, 43686, 44495, 48540, 53394, 53460, 58248, 64152, 65529, 71192, 72810, 80091, 80190, 87372, 88990, 97080, 106788, 106920, 109215, 131058, 133485, 145620, 160182, 160380, 174744, 177980, 196587, 213576, 218430, 240273, 262116, 266970, 291240, 320364, 320760, 327645, 355960, 393174, 400455, 436860, 480546, 524232, 533940, 589761, 640728, 655290, 720819, 786348, 800910, 873720, 961092, 982935, 1067880, 1179522, 1201365, 1310580, 1441638, 1572696, 1601820, 1922184, 1965870, 2162457, 2359044, 2402730, 2621160, 2883276, 2948805, 3203640, 3604095, 3931740, 4324914, 4718088, 4805460, 5766552, 5897610, 6487371, 7208190, 7863480, 8649828, 9610920, 10812285, 11795220, 12974742, 14416380, 17299656, 21624570, 23590440, 25949484, 28832760, 32436855, 43249140, 51898968, 64873710, 86498280, 129747420, 259494840]

約数ペア:

[(1, 259494840), (2, 129747420), (3, 86498280), (4, 64873710), (5, 51898968), (6, 43249140), (8, 32436855), (9, 28832760), (10, 25949484), (11, 23590440), (12, 21624570), (15, 17299656), (18, 14416380), (20, 12974742), (22, 11795220), (24, 10812285), (27, 9610920), (30, 8649828), (33, 7863480), (36, 7208190), (40, 6487371), (44, 5897610), (45, 5766552), (54, 4805460), (55, 4718088), (60, 4324914), (66, 3931740), (72, 3604095), (81, 3203640), (88, 2948805), (90, 2883276), (99, 2621160), (108, 2402730), (110, 2359044), (120, 2162457), (132, 1965870), (135, 1922184), (162, 1601820), (165, 1572696), (180, 1441638), (198, 1310580), (216, 1201365), (220, 1179522), (243, 1067880), (264, 982935), (270, 961092), (297, 873720), (324, 800910), (330, 786348), (360, 720819), (396, 655290), (405, 640728), (440, 589761), (486, 533940), (495, 524232), (540, 480546), (594, 436860), (648, 400455), (660, 393174), (729, 355960), (792, 327645), (809, 320760), (810, 320364), (891, 291240), (972, 266970), (990, 262116), (1080, 240273), (1188, 218430), (1215, 213576), (1320, 196587), (1458, 177980), (1485, 174744), (1618, 160380), (1620, 160182), (1782, 145620), (1944, 133485), (1980, 131058), (2376, 109215), (2427, 106920), (2430, 106788), (2673, 97080), (2916, 88990), (2970, 87372), (3236, 80190), (3240, 80091), (3564, 72810), (3645, 71192), (3960, 65529), (4045, 64152), (4455, 58248), (4854, 53460), (4860, 53394), (5346, 48540), (5832, 44495), (5940, 43686), (6472, 40095), (7128, 36405), (7281, 35640), (7290, 35596), (8019, 32360), (8090, 32076), (8899, 29160), (8910, 29124), (9708, 26730), (9720, 26697), (10692, 24270), (11880, 21843), (12135, 21384), (13365, 19416), (14562, 17820), (14580, 17798), (16038, 16180)]