1815783480

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{26687}}^1$

素因数の和:26720

約数の個数: 192

約数和(自身を含む): 6994391040

約数和(自身を除く): 5178607560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 26687, 34020, 53374, 68040, 80061, 106748, 133435, 160122, 186809, 213496, 240183, 266870, 320244, 373618, 400305, 480366, 533740, 560427, 640488, 720549, 747236, 800610, 934045, 960732, 1067480, 1120854, 1200915, 1441098, 1494472, 1601220, 1681281, 1868090, 1921464, 2161647, 2241708, 2401830, 2802135, 2882196, 3202440, 3362562, 3602745, 3736180, 4323294, 4483416, 4803660, 5043843, 5604270, 5764392, 6484941, 6725124, 7205490, 7472360, 8406405, 8646588, 9607320, 10087686, 10808235, 11208540, 12969882, 13450248, 14410980, 15131529, 16812810, 17293176, 20175372, 21616470, 22417080, 25219215, 25939764, 28821960, 30263058, 32424705, 33625620, 40350744, 43232940, 45394587, 50438430, 51879528, 60526116, 64849410, 67251240, 75657645, 86465880, 90789174, 100876860, 121052232, 129698820, 151315290, 181578348, 201753720, 226972935, 259397640, 302630580, 363156696, 453945870, 605261160, 907891740, 1815783480]

約数ペア:

[(1, 1815783480), (2, 907891740), (3, 605261160), (4, 453945870), (5, 363156696), (6, 302630580), (7, 259397640), (8, 226972935), (9, 201753720), (10, 181578348), (12, 151315290), (14, 129698820), (15, 121052232), (18, 100876860), (20, 90789174), (21, 86465880), (24, 75657645), (27, 67251240), (28, 64849410), (30, 60526116), (35, 51879528), (36, 50438430), (40, 45394587), (42, 43232940), (45, 40350744), (54, 33625620), (56, 32424705), (60, 30263058), (63, 28821960), (70, 25939764), (72, 25219215), (81, 22417080), (84, 21616470), (90, 20175372), (105, 17293176), (108, 16812810), (120, 15131529), (126, 14410980), (135, 13450248), (140, 12969882), (162, 11208540), (168, 10808235), (180, 10087686), (189, 9607320), (210, 8646588), (216, 8406405), (243, 7472360), (252, 7205490), (270, 6725124), (280, 6484941), (315, 5764392), (324, 5604270), (360, 5043843), (378, 4803660), (405, 4483416), (420, 4323294), (486, 3736180), (504, 3602745), (540, 3362562), (567, 3202440), (630, 2882196), (648, 2802135), (756, 2401830), (810, 2241708), (840, 2161647), (945, 1921464), (972, 1868090), (1080, 1681281), (1134, 1601220), (1215, 1494472), (1260, 1441098), (1512, 1200915), (1620, 1120854), (1701, 1067480), (1890, 960732), (1944, 934045), (2268, 800610), (2430, 747236), (2520, 720549), (2835, 640488), (3240, 560427), (3402, 533740), (3780, 480366), (4536, 400305), (4860, 373618), (5670, 320244), (6804, 266870), (7560, 240183), (8505, 213496), (9720, 186809), (11340, 160122), (13608, 133435), (17010, 106748), (22680, 80061), (26687, 68040), (34020, 53374)]