19568640

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:57

約数の個数: 288

約数和(自身を含む): 78427440

約数和(自身を除く): 58858800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 128, 130, 140, 147, 156, 160, 168, 182, 192, 195, 196, 208, 210, 224, 240, 245, 256, 260, 273, 280, 294, 312, 320, 336, 364, 384, 390, 392, 416, 420, 448, 455, 480, 490, 512, 520, 546, 560, 588, 624, 637, 640, 672, 728, 735, 768, 780, 784, 832, 840, 896, 910, 960, 980, 1024, 1040, 1092, 1120, 1176, 1248, 1274, 1280, 1344, 1365, 1456, 1470, 1536, 1560, 1568, 1664, 1680, 1792, 1820, 1911, 1920, 1960, 2048, 2080, 2184, 2240, 2352, 2496, 2548, 2560, 2688, 2730, 2912, 2940, 3072, 3120, 3136, 3185, 3328, 3360, 3584, 3640, 3822, 3840, 3920, 4160, 4368, 4480, 4704, 4992, 5096, 5120, 5376, 5460, 5824, 5880, 6144, 6240, 6272, 6370, 6656, 6720, 7168, 7280, 7644, 7680, 7840, 8320, 8736, 8960, 9408, 9555, 9984, 10192, 10240, 10752, 10920, 11648, 11760, 12480, 12544, 12740, 13312, 13440, 14336, 14560, 15288, 15360, 15680, 16640, 17472, 17920, 18816, 19110, 19968, 20384, 21504, 21840, 23296, 23520, 24960, 25088, 25480, 26624, 26880, 29120, 30576, 30720, 31360, 33280, 34944, 35840, 37632, 38220, 39936, 40768, 43008, 43680, 46592, 47040, 49920, 50176, 50960, 53760, 58240, 61152, 62720, 66560, 69888, 71680, 75264, 76440, 79872, 81536, 87360, 93184, 94080, 99840, 100352, 101920, 107520, 116480, 122304, 125440, 133120, 139776, 150528, 152880, 163072, 174720, 186368, 188160, 199680, 203840, 215040, 232960, 244608, 250880, 279552, 301056, 305760, 326144, 349440, 376320, 399360, 407680, 465920, 489216, 501760, 559104, 611520, 652288, 698880, 752640, 815360, 931840, 978432, 1223040, 1304576, 1397760, 1505280, 1630720, 1956864, 2446080, 2795520, 3261440, 3913728, 4892160, 6522880, 9784320, 19568640]

約数ペア:

[(1, 19568640), (2, 9784320), (3, 6522880), (4, 4892160), (5, 3913728), (6, 3261440), (7, 2795520), (8, 2446080), (10, 1956864), (12, 1630720), (13, 1505280), (14, 1397760), (15, 1304576), (16, 1223040), (20, 978432), (21, 931840), (24, 815360), (26, 752640), (28, 698880), (30, 652288), (32, 611520), (35, 559104), (39, 501760), (40, 489216), (42, 465920), (48, 407680), (49, 399360), (52, 376320), (56, 349440), (60, 326144), (64, 305760), (65, 301056), (70, 279552), (78, 250880), (80, 244608), (84, 232960), (91, 215040), (96, 203840), (98, 199680), (104, 188160), (105, 186368), (112, 174720), (120, 163072), (128, 152880), (130, 150528), (140, 139776), (147, 133120), (156, 125440), (160, 122304), (168, 116480), (182, 107520), (192, 101920), (195, 100352), (196, 99840), (208, 94080), (210, 93184), (224, 87360), (240, 81536), (245, 79872), (256, 76440), (260, 75264), (273, 71680), (280, 69888), (294, 66560), (312, 62720), (320, 61152), (336, 58240), (364, 53760), (384, 50960), (390, 50176), (392, 49920), (416, 47040), (420, 46592), (448, 43680), (455, 43008), (480, 40768), (490, 39936), (512, 38220), (520, 37632), (546, 35840), (560, 34944), (588, 33280), (624, 31360), (637, 30720), (640, 30576), (672, 29120), (728, 26880), (735, 26624), (768, 25480), (780, 25088), (784, 24960), (832, 23520), (840, 23296), (896, 21840), (910, 21504), (960, 20384), (980, 19968), (1024, 19110), (1040, 18816), (1092, 17920), (1120, 17472), (1176, 16640), (1248, 15680), (1274, 15360), (1280, 15288), (1344, 14560), (1365, 14336), (1456, 13440), (1470, 13312), (1536, 12740), (1560, 12544), (1568, 12480), (1664, 11760), (1680, 11648), (1792, 10920), (1820, 10752), (1911, 10240), (1920, 10192), (1960, 9984), (2048, 9555), (2080, 9408), (2184, 8960), (2240, 8736), (2352, 8320), (2496, 7840), (2548, 7680), (2560, 7644), (2688, 7280), (2730, 7168), (2912, 6720), (2940, 6656), (3072, 6370), (3120, 6272), (3136, 6240), (3185, 6144), (3328, 5880), (3360, 5824), (3584, 5460), (3640, 5376), (3822, 5120), (3840, 5096), (3920, 4992), (4160, 4704), (4368, 4480)]