257568360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1061}}^1$

素因数の和:1116

約数の個数: 192

約数和(自身を含む): 938977920

約数和(自身を除く): 681409560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 289, 340, 357, 408, 420, 476, 510, 578, 595, 680, 714, 840, 867, 952, 1020, 1061, 1156, 1190, 1428, 1445, 1734, 1785, 2023, 2040, 2122, 2312, 2380, 2856, 2890, 3183, 3468, 3570, 4046, 4244, 4335, 4760, 5305, 5780, 6069, 6366, 6936, 7140, 7427, 8092, 8488, 8670, 10115, 10610, 11560, 12138, 12732, 14280, 14854, 15915, 16184, 17340, 18037, 20230, 21220, 22281, 24276, 25464, 29708, 30345, 31830, 34680, 36074, 37135, 40460, 42440, 44562, 48552, 54111, 59416, 60690, 63660, 72148, 74270, 80920, 89124, 90185, 108222, 111405, 121380, 126259, 127320, 144296, 148540, 178248, 180370, 216444, 222810, 242760, 252518, 270555, 297080, 306629, 360740, 378777, 432888, 445620, 505036, 541110, 613258, 631295, 721480, 757554, 891240, 919887, 1010072, 1082220, 1226516, 1262590, 1515108, 1533145, 1839774, 1893885, 2146403, 2164440, 2453032, 2525180, 3030216, 3066290, 3679548, 3787770, 4292806, 4599435, 5050360, 6132580, 6439209, 7359096, 7575540, 8585612, 9198870, 10732015, 12265160, 12878418, 15151080, 17171224, 18397740, 21464030, 25756836, 32196045, 36795480, 42928060, 51513672, 64392090, 85856120, 128784180, 257568360]

約数ペア:

[(1, 257568360), (2, 128784180), (3, 85856120), (4, 64392090), (5, 51513672), (6, 42928060), (7, 36795480), (8, 32196045), (10, 25756836), (12, 21464030), (14, 18397740), (15, 17171224), (17, 15151080), (20, 12878418), (21, 12265160), (24, 10732015), (28, 9198870), (30, 8585612), (34, 7575540), (35, 7359096), (40, 6439209), (42, 6132580), (51, 5050360), (56, 4599435), (60, 4292806), (68, 3787770), (70, 3679548), (84, 3066290), (85, 3030216), (102, 2525180), (105, 2453032), (119, 2164440), (120, 2146403), (136, 1893885), (140, 1839774), (168, 1533145), (170, 1515108), (204, 1262590), (210, 1226516), (238, 1082220), (255, 1010072), (280, 919887), (289, 891240), (340, 757554), (357, 721480), (408, 631295), (420, 613258), (476, 541110), (510, 505036), (578, 445620), (595, 432888), (680, 378777), (714, 360740), (840, 306629), (867, 297080), (952, 270555), (1020, 252518), (1061, 242760), (1156, 222810), (1190, 216444), (1428, 180370), (1445, 178248), (1734, 148540), (1785, 144296), (2023, 127320), (2040, 126259), (2122, 121380), (2312, 111405), (2380, 108222), (2856, 90185), (2890, 89124), (3183, 80920), (3468, 74270), (3570, 72148), (4046, 63660), (4244, 60690), (4335, 59416), (4760, 54111), (5305, 48552), (5780, 44562), (6069, 42440), (6366, 40460), (6936, 37135), (7140, 36074), (7427, 34680), (8092, 31830), (8488, 30345), (8670, 29708), (10115, 25464), (10610, 24276), (11560, 22281), (12138, 21220), (12732, 20230), (14280, 18037), (14854, 17340), (15915, 16184)]