648456480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2848

約数の個数: 288

約数和(自身を含む): 2639879424

約数和(自身を除く): 1991422944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1120, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2208, 2415, 2520, 2576, 2760, 2797, 2898, 3220, 3312, 3360, 3680, 3864, 4140, 4830, 5040, 5152, 5520, 5594, 5796, 6440, 6624, 7245, 7728, 8280, 8391, 9660, 10080, 11040, 11188, 11592, 12880, 13985, 14490, 15456, 16560, 16782, 19320, 19579, 22376, 23184, 25173, 25760, 27970, 28980, 33120, 33564, 38640, 39158, 41955, 44752, 46368, 50346, 55940, 57960, 58737, 64331, 67128, 77280, 78316, 83910, 89504, 97895, 100692, 111880, 115920, 117474, 125865, 128662, 134256, 156632, 167820, 176211, 192993, 195790, 201384, 223760, 231840, 234948, 251730, 257324, 268512, 293685, 313264, 321655, 335640, 352422, 385986, 391580, 402768, 447520, 450317, 469896, 503460, 514648, 578979, 587370, 626528, 643310, 671280, 704844, 771972, 783160, 805536, 881055, 900634, 939792, 964965, 1006920, 1029296, 1157958, 1174740, 1286620, 1342560, 1350951, 1409688, 1543944, 1566320, 1762110, 1801268, 1879584, 1929930, 2013840, 2058592, 2251585, 2315916, 2349480, 2573240, 2701902, 2819376, 2894895, 3087888, 3132640, 3524220, 3602536, 3859860, 4027680, 4052853, 4503170, 4631832, 4698960, 5146480, 5403804, 5638752, 5789790, 6175776, 6754755, 7048440, 7205072, 7719720, 8105706, 9006340, 9263664, 9397920, 10292960, 10807608, 11579580, 13509510, 14096880, 14410144, 15439440, 16211412, 18012680, 18527328, 20264265, 21615216, 23159160, 27019020, 28193760, 30878880, 32422824, 36025360, 40528530, 43230432, 46318320, 54038040, 64845648, 72050720, 81057060, 92636640, 108076080, 129691296, 162114120, 216152160, 324228240, 648456480]

約数ペア:

[(1, 648456480), (2, 324228240), (3, 216152160), (4, 162114120), (5, 129691296), (6, 108076080), (7, 92636640), (8, 81057060), (9, 72050720), (10, 64845648), (12, 54038040), (14, 46318320), (15, 43230432), (16, 40528530), (18, 36025360), (20, 32422824), (21, 30878880), (23, 28193760), (24, 27019020), (28, 23159160), (30, 21615216), (32, 20264265), (35, 18527328), (36, 18012680), (40, 16211412), (42, 15439440), (45, 14410144), (46, 14096880), (48, 13509510), (56, 11579580), (60, 10807608), (63, 10292960), (69, 9397920), (70, 9263664), (72, 9006340), (80, 8105706), (84, 7719720), (90, 7205072), (92, 7048440), (96, 6754755), (105, 6175776), (112, 5789790), (115, 5638752), (120, 5403804), (126, 5146480), (138, 4698960), (140, 4631832), (144, 4503170), (160, 4052853), (161, 4027680), (168, 3859860), (180, 3602536), (184, 3524220), (207, 3132640), (210, 3087888), (224, 2894895), (230, 2819376), (240, 2701902), (252, 2573240), (276, 2349480), (280, 2315916), (288, 2251585), (315, 2058592), (322, 2013840), (336, 1929930), (345, 1879584), (360, 1801268), (368, 1762110), (414, 1566320), (420, 1543944), (460, 1409688), (480, 1350951), (483, 1342560), (504, 1286620), (552, 1174740), (560, 1157958), (630, 1029296), (644, 1006920), (672, 964965), (690, 939792), (720, 900634), (736, 881055), (805, 805536), (828, 783160), (840, 771972), (920, 704844), (966, 671280), (1008, 643310), (1035, 626528), (1104, 587370), (1120, 578979), (1260, 514648), (1288, 503460), (1380, 469896), (1440, 450317), (1449, 447520), (1610, 402768), (1656, 391580), (1680, 385986), (1840, 352422), (1932, 335640), (2016, 321655), (2070, 313264), (2208, 293685), (2415, 268512), (2520, 257324), (2576, 251730), (2760, 234948), (2797, 231840), (2898, 223760), (3220, 201384), (3312, 195790), (3360, 192993), (3680, 176211), (3864, 167820), (4140, 156632), (4830, 134256), (5040, 128662), (5152, 125865), (5520, 117474), (5594, 115920), (5796, 111880), (6440, 100692), (6624, 97895), (7245, 89504), (7728, 83910), (8280, 78316), (8391, 77280), (9660, 67128), (10080, 64331), (11040, 58737), (11188, 57960), (11592, 55940), (12880, 50346), (13985, 46368), (14490, 44752), (15456, 41955), (16560, 39158), (16782, 38640), (19320, 33564), (19579, 33120), (22376, 28980), (23184, 27970), (25173, 25760)]