646524480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 448

約数和(自身を含む): 2528133120

約数和(自身を除く): 1881608640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 47, 48, 56, 60, 64, 69, 70, 80, 84, 89, 92, 94, 96, 105, 112, 115, 120, 138, 140, 141, 160, 161, 168, 178, 184, 188, 192, 210, 224, 230, 235, 240, 267, 276, 280, 282, 320, 322, 329, 336, 345, 356, 368, 376, 420, 445, 448, 460, 470, 480, 483, 534, 552, 560, 564, 623, 644, 658, 672, 690, 705, 712, 736, 752, 805, 840, 890, 920, 940, 960, 966, 987, 1068, 1081, 1104, 1120, 1128, 1246, 1288, 1316, 1335, 1344, 1380, 1410, 1424, 1472, 1504, 1610, 1645, 1680, 1780, 1840, 1869, 1880, 1932, 1974, 2047, 2136, 2162, 2208, 2240, 2256, 2415, 2492, 2576, 2632, 2670, 2760, 2820, 2848, 3008, 3115, 3220, 3243, 3290, 3360, 3560, 3680, 3738, 3760, 3864, 3948, 4094, 4183, 4272, 4324, 4416, 4512, 4830, 4935, 4984, 5152, 5264, 5340, 5405, 5520, 5640, 5696, 6141, 6230, 6440, 6486, 6580, 6720, 7120, 7360, 7476, 7520, 7567, 7728, 7896, 8188, 8366, 8544, 8648, 9024, 9345, 9660, 9870, 9968, 10235, 10304, 10528, 10680, 10810, 11040, 11280, 12282, 12460, 12549, 12880, 12972, 13160, 14240, 14329, 14952, 15040, 15134, 15456, 15792, 16215, 16376, 16732, 17088, 17296, 18690, 19320, 19740, 19936, 20470, 20915, 21056, 21360, 21620, 22080, 22560, 22701, 24564, 24920, 25098, 25760, 25944, 26320, 28480, 28658, 29281, 29904, 30268, 30705, 30912, 31584, 32430, 32752, 33464, 34592, 37380, 37835, 38640, 39480, 39872, 40940, 41830, 42720, 42987, 43240, 45120, 45402, 49128, 49840, 50196, 51520, 51888, 52640, 57316, 58562, 59808, 60536, 61410, 62745, 63168, 64860, 65504, 66928, 69184, 71645, 74760, 75670, 77280, 78960, 81880, 83660, 85440, 85974, 86480, 87843, 90804, 96209, 98256, 99680, 100392, 103776, 105280, 113505, 114632, 117124, 119616, 121072, 122820, 125490, 129720, 131008, 133856, 143290, 146405, 149520, 151340, 154560, 157920, 163760, 167320, 171948, 172960, 175686, 181608, 192418, 196512, 199360, 200784, 207552, 214935, 227010, 229264, 234248, 242144, 245640, 250980, 259440, 267712, 286580, 288627, 292810, 299040, 302680, 315840, 327520, 334640, 343896, 345920, 351372, 363216, 384836, 393024, 401568, 429870, 439215, 454020, 458528, 468496, 481045, 484288, 491280, 501960, 518880, 573160, 577254, 585620, 598080, 605360, 655040, 669280, 673463, 687792, 702744, 726432, 769672, 803136, 859740, 878430, 908040, 917056, 936992, 962090, 982560, 1003920, 1037760, 1146320, 1154508, 1171240, 1210720, 1338560, 1346926, 1375584, 1405488, 1443135, 1452864, 1539344, 1719480, 1756860, 1816080, 1873984, 1924180, 1965120, 2007840, 2020389, 2292640, 2309016, 2342480, 2421440, 2693852, 2751168, 2810976, 2886270, 3078688, 3367315, 3438960, 3513720, 3632160, 3848360, 4015680, 4040778, 4585280, 4618032, 4684960, 5387704, 5621952, 5772540, 6157376, 6734630, 6877920, 7027440, 7264320, 7696720, 8081556, 9236064, 9369920, 10101945, 10775408, 11545080, 13469260, 13755840, 14054880, 15393440, 16163112, 18472128, 20203890, 21550816, 23090160, 26938520, 28109760, 30786880, 32326224, 40407780, 43101632, 46180320, 53877040, 64652448, 80815560, 92360640, 107754080, 129304896, 161631120, 215508160, 323262240, 646524480]

約数ペア:

[(1, 646524480), (2, 323262240), (3, 215508160), (4, 161631120), (5, 129304896), (6, 107754080), (7, 92360640), (8, 80815560), (10, 64652448), (12, 53877040), (14, 46180320), (15, 43101632), (16, 40407780), (20, 32326224), (21, 30786880), (23, 28109760), (24, 26938520), (28, 23090160), (30, 21550816), (32, 20203890), (35, 18472128), (40, 16163112), (42, 15393440), (46, 14054880), (47, 13755840), (48, 13469260), (56, 11545080), (60, 10775408), (64, 10101945), (69, 9369920), (70, 9236064), (80, 8081556), (84, 7696720), (89, 7264320), (92, 7027440), (94, 6877920), (96, 6734630), (105, 6157376), (112, 5772540), (115, 5621952), (120, 5387704), (138, 4684960), (140, 4618032), (141, 4585280), (160, 4040778), (161, 4015680), (168, 3848360), (178, 3632160), (184, 3513720), (188, 3438960), (192, 3367315), (210, 3078688), (224, 2886270), (230, 2810976), (235, 2751168), (240, 2693852), (267, 2421440), (276, 2342480), (280, 2309016), (282, 2292640), (320, 2020389), (322, 2007840), (329, 1965120), (336, 1924180), (345, 1873984), (356, 1816080), (368, 1756860), (376, 1719480), (420, 1539344), (445, 1452864), (448, 1443135), (460, 1405488), (470, 1375584), (480, 1346926), (483, 1338560), (534, 1210720), (552, 1171240), (560, 1154508), (564, 1146320), (623, 1037760), (644, 1003920), (658, 982560), (672, 962090), (690, 936992), (705, 917056), (712, 908040), (736, 878430), (752, 859740), (805, 803136), (840, 769672), (890, 726432), (920, 702744), (940, 687792), (960, 673463), (966, 669280), (987, 655040), (1068, 605360), (1081, 598080), (1104, 585620), (1120, 577254), (1128, 573160), (1246, 518880), (1288, 501960), (1316, 491280), (1335, 484288), (1344, 481045), (1380, 468496), (1410, 458528), (1424, 454020), (1472, 439215), (1504, 429870), (1610, 401568), (1645, 393024), (1680, 384836), (1780, 363216), (1840, 351372), (1869, 345920), (1880, 343896), (1932, 334640), (1974, 327520), (2047, 315840), (2136, 302680), (2162, 299040), (2208, 292810), (2240, 288627), (2256, 286580), (2415, 267712), (2492, 259440), (2576, 250980), (2632, 245640), (2670, 242144), (2760, 234248), (2820, 229264), (2848, 227010), (3008, 214935), (3115, 207552), (3220, 200784), (3243, 199360), (3290, 196512), (3360, 192418), (3560, 181608), (3680, 175686), (3738, 172960), (3760, 171948), (3864, 167320), (3948, 163760), (4094, 157920), (4183, 154560), (4272, 151340), (4324, 149520), (4416, 146405), (4512, 143290), (4830, 133856), (4935, 131008), (4984, 129720), (5152, 125490), (5264, 122820), (5340, 121072), (5405, 119616), (5520, 117124), (5640, 114632), (5696, 113505), (6141, 105280), (6230, 103776), (6440, 100392), (6486, 99680), (6580, 98256), (6720, 96209), (7120, 90804), (7360, 87843), (7476, 86480), (7520, 85974), (7567, 85440), (7728, 83660), (7896, 81880), (8188, 78960), (8366, 77280), (8544, 75670), (8648, 74760), (9024, 71645), (9345, 69184), (9660, 66928), (9870, 65504), (9968, 64860), (10235, 63168), (10304, 62745), (10528, 61410), (10680, 60536), (10810, 59808), (11040, 58562), (11280, 57316), (12282, 52640), (12460, 51888), (12549, 51520), (12880, 50196), (12972, 49840), (13160, 49128), (14240, 45402), (14329, 45120), (14952, 43240), (15040, 42987), (15134, 42720), (15456, 41830), (15792, 40940), (16215, 39872), (16376, 39480), (16732, 38640), (17088, 37835), (17296, 37380), (18690, 34592), (19320, 33464), (19740, 32752), (19936, 32430), (20470, 31584), (20915, 30912), (21056, 30705), (21360, 30268), (21620, 29904), (22080, 29281), (22560, 28658), (22701, 28480), (24564, 26320), (24920, 25944), (25098, 25760)]