261707520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 288

約数和(自身を含む): 935988480

約数和(自身を除く): 674280960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 211, 228, 240, 255, 256, 272, 285, 304, 320, 323, 340, 380, 384, 408, 422, 456, 480, 510, 544, 570, 608, 633, 640, 646, 680, 760, 768, 816, 844, 912, 960, 969, 1020, 1055, 1088, 1140, 1216, 1266, 1280, 1292, 1360, 1520, 1615, 1632, 1688, 1824, 1920, 1938, 2040, 2110, 2176, 2280, 2432, 2532, 2584, 2720, 3040, 3165, 3230, 3264, 3376, 3587, 3648, 3840, 3876, 4009, 4080, 4220, 4352, 4560, 4845, 4864, 5064, 5168, 5440, 6080, 6330, 6460, 6528, 6752, 7174, 7296, 7752, 8018, 8160, 8440, 9120, 9690, 10128, 10336, 10761, 10880, 12027, 12160, 12660, 12920, 13056, 13504, 14348, 14592, 15504, 16036, 16320, 16880, 17935, 18240, 19380, 20045, 20256, 20672, 21522, 21760, 24054, 24320, 25320, 25840, 27008, 28696, 31008, 32072, 32640, 33760, 35870, 36480, 38760, 40090, 40512, 41344, 43044, 48108, 50640, 51680, 53805, 54016, 57392, 60135, 62016, 64144, 65280, 67520, 68153, 71740, 72960, 77520, 80180, 81024, 82688, 86088, 96216, 101280, 103360, 107610, 114784, 120270, 124032, 128288, 135040, 136306, 143480, 155040, 160360, 162048, 172176, 192432, 202560, 204459, 206720, 215220, 229568, 240540, 248064, 256576, 270080, 272612, 286960, 310080, 320720, 340765, 344352, 384864, 405120, 408918, 413440, 430440, 459136, 481080, 513152, 545224, 573920, 620160, 641440, 681530, 688704, 769728, 810240, 817836, 860880, 918272, 962160, 1022295, 1026304, 1090448, 1147840, 1240320, 1282880, 1363060, 1377408, 1539456, 1635672, 1721760, 1924320, 2044590, 2180896, 2295680, 2565760, 2726120, 2754816, 3078912, 3271344, 3443520, 3848640, 4089180, 4361792, 4591360, 5131520, 5452240, 6542688, 6887040, 7697280, 8178360, 8723584, 10904480, 13085376, 13774080, 15394560, 16356720, 17447168, 21808960, 26170752, 32713440, 43617920, 52341504, 65426880, 87235840, 130853760, 261707520]

約数ペア:

[(1, 261707520), (2, 130853760), (3, 87235840), (4, 65426880), (5, 52341504), (6, 43617920), (8, 32713440), (10, 26170752), (12, 21808960), (15, 17447168), (16, 16356720), (17, 15394560), (19, 13774080), (20, 13085376), (24, 10904480), (30, 8723584), (32, 8178360), (34, 7697280), (38, 6887040), (40, 6542688), (48, 5452240), (51, 5131520), (57, 4591360), (60, 4361792), (64, 4089180), (68, 3848640), (76, 3443520), (80, 3271344), (85, 3078912), (95, 2754816), (96, 2726120), (102, 2565760), (114, 2295680), (120, 2180896), (128, 2044590), (136, 1924320), (152, 1721760), (160, 1635672), (170, 1539456), (190, 1377408), (192, 1363060), (204, 1282880), (211, 1240320), (228, 1147840), (240, 1090448), (255, 1026304), (256, 1022295), (272, 962160), (285, 918272), (304, 860880), (320, 817836), (323, 810240), (340, 769728), (380, 688704), (384, 681530), (408, 641440), (422, 620160), (456, 573920), (480, 545224), (510, 513152), (544, 481080), (570, 459136), (608, 430440), (633, 413440), (640, 408918), (646, 405120), (680, 384864), (760, 344352), (768, 340765), (816, 320720), (844, 310080), (912, 286960), (960, 272612), (969, 270080), (1020, 256576), (1055, 248064), (1088, 240540), (1140, 229568), (1216, 215220), (1266, 206720), (1280, 204459), (1292, 202560), (1360, 192432), (1520, 172176), (1615, 162048), (1632, 160360), (1688, 155040), (1824, 143480), (1920, 136306), (1938, 135040), (2040, 128288), (2110, 124032), (2176, 120270), (2280, 114784), (2432, 107610), (2532, 103360), (2584, 101280), (2720, 96216), (3040, 86088), (3165, 82688), (3230, 81024), (3264, 80180), (3376, 77520), (3587, 72960), (3648, 71740), (3840, 68153), (3876, 67520), (4009, 65280), (4080, 64144), (4220, 62016), (4352, 60135), (4560, 57392), (4845, 54016), (4864, 53805), (5064, 51680), (5168, 50640), (5440, 48108), (6080, 43044), (6330, 41344), (6460, 40512), (6528, 40090), (6752, 38760), (7174, 36480), (7296, 35870), (7752, 33760), (8018, 32640), (8160, 32072), (8440, 31008), (9120, 28696), (9690, 27008), (10128, 25840), (10336, 25320), (10761, 24320), (10880, 24054), (12027, 21760), (12160, 21522), (12660, 20672), (12920, 20256), (13056, 20045), (13504, 19380), (14348, 18240), (14592, 17935), (15504, 16880), (16036, 16320)]