260376480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2028

約数の個数: 288

約数和(自身を含む): 1094131584

約数和(自身を除く): 833755104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 1987, 2016, 2080, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 3974, 4095, 4368, 4680, 5040, 5460, 5961, 6240, 6552, 7280, 7948, 8190, 8736, 9360, 9935, 10080, 10920, 11922, 13104, 13909, 14560, 15896, 16380, 17883, 18720, 19870, 21840, 23844, 25831, 26208, 27818, 29805, 31792, 32760, 35766, 39740, 41727, 43680, 47688, 51662, 55636, 59610, 63584, 65520, 69545, 71532, 77493, 79480, 83454, 89415, 95376, 103324, 111272, 119220, 125181, 129155, 131040, 139090, 143064, 154986, 158960, 166908, 178830, 180817, 190752, 206648, 208635, 222544, 232479, 238440, 250362, 258310, 278180, 286128, 309972, 317920, 333816, 357660, 361634, 387465, 413296, 417270, 445088, 464958, 476880, 500724, 516620, 542451, 556360, 572256, 619944, 625905, 667632, 715320, 723268, 774930, 826592, 834540, 904085, 929916, 953760, 1001448, 1033240, 1084902, 1112720, 1162395, 1239888, 1251810, 1335264, 1430640, 1446536, 1549860, 1627353, 1669080, 1808170, 1859832, 2002896, 2066480, 2169804, 2225440, 2324790, 2479776, 2503620, 2712255, 2861280, 2893072, 3099720, 3254706, 3338160, 3616340, 3719664, 4005792, 4132960, 4339608, 4649580, 5007240, 5424510, 5786144, 6199440, 6509412, 6676320, 7232680, 7439328, 8136765, 8679216, 9299160, 10014480, 10849020, 12398880, 13018824, 14465360, 16273530, 17358432, 18598320, 20028960, 21698040, 26037648, 28930720, 32547060, 37196640, 43396080, 52075296, 65094120, 86792160, 130188240, 260376480]

約数ペア:

[(1, 260376480), (2, 130188240), (3, 86792160), (4, 65094120), (5, 52075296), (6, 43396080), (7, 37196640), (8, 32547060), (9, 28930720), (10, 26037648), (12, 21698040), (13, 20028960), (14, 18598320), (15, 17358432), (16, 16273530), (18, 14465360), (20, 13018824), (21, 12398880), (24, 10849020), (26, 10014480), (28, 9299160), (30, 8679216), (32, 8136765), (35, 7439328), (36, 7232680), (39, 6676320), (40, 6509412), (42, 6199440), (45, 5786144), (48, 5424510), (52, 5007240), (56, 4649580), (60, 4339608), (63, 4132960), (65, 4005792), (70, 3719664), (72, 3616340), (78, 3338160), (80, 3254706), (84, 3099720), (90, 2893072), (91, 2861280), (96, 2712255), (104, 2503620), (105, 2479776), (112, 2324790), (117, 2225440), (120, 2169804), (126, 2066480), (130, 2002896), (140, 1859832), (144, 1808170), (156, 1669080), (160, 1627353), (168, 1549860), (180, 1446536), (182, 1430640), (195, 1335264), (208, 1251810), (210, 1239888), (224, 1162395), (234, 1112720), (240, 1084902), (252, 1033240), (260, 1001448), (273, 953760), (280, 929916), (288, 904085), (312, 834540), (315, 826592), (336, 774930), (360, 723268), (364, 715320), (390, 667632), (416, 625905), (420, 619944), (455, 572256), (468, 556360), (480, 542451), (504, 516620), (520, 500724), (546, 476880), (560, 464958), (585, 445088), (624, 417270), (630, 413296), (672, 387465), (720, 361634), (728, 357660), (780, 333816), (819, 317920), (840, 309972), (910, 286128), (936, 278180), (1008, 258310), (1040, 250362), (1092, 238440), (1120, 232479), (1170, 222544), (1248, 208635), (1260, 206648), (1365, 190752), (1440, 180817), (1456, 178830), (1560, 166908), (1638, 158960), (1680, 154986), (1820, 143064), (1872, 139090), (1987, 131040), (2016, 129155), (2080, 125181), (2184, 119220), (2340, 111272), (2520, 103324), (2730, 95376), (2912, 89415), (3120, 83454), (3276, 79480), (3360, 77493), (3640, 71532), (3744, 69545), (3974, 65520), (4095, 63584), (4368, 59610), (4680, 55636), (5040, 51662), (5460, 47688), (5961, 43680), (6240, 41727), (6552, 39740), (7280, 35766), (7948, 32760), (8190, 31792), (8736, 29805), (9360, 27818), (9935, 26208), (10080, 25831), (10920, 23844), (11922, 21840), (13104, 19870), (13909, 18720), (14560, 17883), (15896, 16380)]