1278639360

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6529}}^1$

素因数の和:6573

約数の個数: 216

約数和(自身を含む): 4684909320

約数和(自身を除く): 3406269960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2304, 2448, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4896, 5440, 5760, 6120, 6528, 6529, 8160, 9792, 10880, 11520, 12240, 13056, 13058, 16320, 19584, 19587, 21760, 24480, 26116, 32640, 32645, 39168, 39174, 48960, 52232, 58761, 65280, 65290, 78348, 97920, 97935, 104464, 110993, 117522, 130580, 156696, 195840, 195870, 208928, 221986, 235044, 261160, 293805, 313392, 332979, 391740, 417856, 443972, 470088, 522320, 554965, 587610, 626784, 665958, 783480, 835712, 887944, 940176, 998937, 1044640, 1109930, 1175220, 1253568, 1331916, 1566960, 1664895, 1671424, 1775888, 1880352, 1997874, 2089280, 2219860, 2350440, 2507136, 2663832, 3133920, 3329790, 3551776, 3760704, 3995748, 4178560, 4439720, 4700880, 4994685, 5014272, 5327664, 6267840, 6659580, 7103552, 7521408, 7991496, 8357120, 8879440, 9401760, 9989370, 10655328, 12535680, 13319160, 14207104, 15042816, 15982992, 17758880, 18803520, 19978740, 21310656, 25071360, 26638320, 28414208, 31965984, 35517760, 37607040, 39957480, 42621312, 53276640, 63931968, 71035520, 75214080, 79914960, 85242624, 106553280, 127863936, 142071040, 159829920, 213106560, 255727872, 319659840, 426213120, 639319680, 1278639360]

約数ペア:

[(1, 1278639360), (2, 639319680), (3, 426213120), (4, 319659840), (5, 255727872), (6, 213106560), (8, 159829920), (9, 142071040), (10, 127863936), (12, 106553280), (15, 85242624), (16, 79914960), (17, 75214080), (18, 71035520), (20, 63931968), (24, 53276640), (30, 42621312), (32, 39957480), (34, 37607040), (36, 35517760), (40, 31965984), (45, 28414208), (48, 26638320), (51, 25071360), (60, 21310656), (64, 19978740), (68, 18803520), (72, 17758880), (80, 15982992), (85, 15042816), (90, 14207104), (96, 13319160), (102, 12535680), (120, 10655328), (128, 9989370), (136, 9401760), (144, 8879440), (153, 8357120), (160, 7991496), (170, 7521408), (180, 7103552), (192, 6659580), (204, 6267840), (240, 5327664), (255, 5014272), (256, 4994685), (272, 4700880), (288, 4439720), (306, 4178560), (320, 3995748), (340, 3760704), (360, 3551776), (384, 3329790), (408, 3133920), (480, 2663832), (510, 2507136), (544, 2350440), (576, 2219860), (612, 2089280), (640, 1997874), (680, 1880352), (720, 1775888), (765, 1671424), (768, 1664895), (816, 1566960), (960, 1331916), (1020, 1253568), (1088, 1175220), (1152, 1109930), (1224, 1044640), (1280, 998937), (1360, 940176), (1440, 887944), (1530, 835712), (1632, 783480), (1920, 665958), (2040, 626784), (2176, 587610), (2304, 554965), (2448, 522320), (2720, 470088), (2880, 443972), (3060, 417856), (3264, 391740), (3840, 332979), (4080, 313392), (4352, 293805), (4896, 261160), (5440, 235044), (5760, 221986), (6120, 208928), (6528, 195870), (6529, 195840), (8160, 156696), (9792, 130580), (10880, 117522), (11520, 110993), (12240, 104464), (13056, 97935), (13058, 97920), (16320, 78348), (19584, 65290), (19587, 65280), (21760, 58761), (24480, 52232), (26116, 48960), (32640, 39174), (32645, 39168)]