251495280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:806

約数の個数: 240

約数和(自身を含む): 928628064

約数和(自身を除く): 677132784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 486, 510, 540, 612, 648, 680, 720, 761, 765, 810, 816, 918, 972, 1020, 1080, 1215, 1224, 1296, 1360, 1377, 1522, 1530, 1620, 1836, 1944, 2040, 2160, 2283, 2295, 2430, 2448, 2754, 3044, 3060, 3240, 3672, 3805, 3888, 4080, 4131, 4566, 4590, 4860, 5508, 6088, 6120, 6480, 6849, 6885, 7344, 7610, 8262, 9132, 9180, 9720, 11016, 11415, 12176, 12240, 12937, 13698, 13770, 15220, 16524, 18264, 18360, 19440, 20547, 20655, 22032, 22830, 25874, 27396, 27540, 30440, 33048, 34245, 36528, 36720, 38811, 41094, 41310, 45660, 51748, 54792, 55080, 60880, 61641, 64685, 66096, 68490, 77622, 82188, 82620, 91320, 102735, 103496, 109584, 110160, 116433, 123282, 129370, 136980, 155244, 164376, 165240, 182640, 184923, 194055, 205470, 206992, 232866, 246564, 258740, 273960, 308205, 310488, 328752, 330480, 349299, 369846, 388110, 410940, 465732, 493128, 517480, 547920, 582165, 616410, 620976, 698598, 739692, 776220, 821880, 924615, 931464, 986256, 1034960, 1047897, 1164330, 1232820, 1397196, 1479384, 1552440, 1643760, 1746495, 1849230, 1862928, 2095794, 2328660, 2465640, 2794392, 2958768, 3104880, 3143691, 3492990, 3698460, 4191588, 4657320, 4931280, 5239485, 5588784, 6287382, 6985980, 7396920, 8383176, 9314640, 10478970, 12574764, 13971960, 14793840, 15718455, 16766352, 20957940, 25149528, 27943920, 31436910, 41915880, 50299056, 62873820, 83831760, 125747640, 251495280]

約数ペア:

[(1, 251495280), (2, 125747640), (3, 83831760), (4, 62873820), (5, 50299056), (6, 41915880), (8, 31436910), (9, 27943920), (10, 25149528), (12, 20957940), (15, 16766352), (16, 15718455), (17, 14793840), (18, 13971960), (20, 12574764), (24, 10478970), (27, 9314640), (30, 8383176), (34, 7396920), (36, 6985980), (40, 6287382), (45, 5588784), (48, 5239485), (51, 4931280), (54, 4657320), (60, 4191588), (68, 3698460), (72, 3492990), (80, 3143691), (81, 3104880), (85, 2958768), (90, 2794392), (102, 2465640), (108, 2328660), (120, 2095794), (135, 1862928), (136, 1849230), (144, 1746495), (153, 1643760), (162, 1552440), (170, 1479384), (180, 1397196), (204, 1232820), (216, 1164330), (240, 1047897), (243, 1034960), (255, 986256), (270, 931464), (272, 924615), (306, 821880), (324, 776220), (340, 739692), (360, 698598), (405, 620976), (408, 616410), (432, 582165), (459, 547920), (486, 517480), (510, 493128), (540, 465732), (612, 410940), (648, 388110), (680, 369846), (720, 349299), (761, 330480), (765, 328752), (810, 310488), (816, 308205), (918, 273960), (972, 258740), (1020, 246564), (1080, 232866), (1215, 206992), (1224, 205470), (1296, 194055), (1360, 184923), (1377, 182640), (1522, 165240), (1530, 164376), (1620, 155244), (1836, 136980), (1944, 129370), (2040, 123282), (2160, 116433), (2283, 110160), (2295, 109584), (2430, 103496), (2448, 102735), (2754, 91320), (3044, 82620), (3060, 82188), (3240, 77622), (3672, 68490), (3805, 66096), (3888, 64685), (4080, 61641), (4131, 60880), (4566, 55080), (4590, 54792), (4860, 51748), (5508, 45660), (6088, 41310), (6120, 41094), (6480, 38811), (6849, 36720), (6885, 36528), (7344, 34245), (7610, 33048), (8262, 30440), (9132, 27540), (9180, 27396), (9720, 25874), (11016, 22830), (11415, 22032), (12176, 20655), (12240, 20547), (12937, 19440), (13698, 18360), (13770, 18264), (15220, 16524)]