678693120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{3607}}^1$

素因数の和:3645

約数の個数: 216

約数和(自身を含む): 2522165184

約数和(自身を除く): 1843472064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3607, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 7214, 7840, 8960, 9408, 10821, 11760, 12544, 13440, 14428, 15680, 18035, 18816, 21642, 23520, 25249, 26880, 28856, 31360, 36070, 37632, 43284, 47040, 50498, 54105, 57712, 62720, 72140, 75747, 86568, 94080, 100996, 108210, 115424, 126245, 144280, 151494, 173136, 176743, 188160, 201992, 216420, 230848, 252490, 288560, 302988, 346272, 353486, 378735, 403984, 432840, 461696, 504980, 530229, 577120, 605976, 692544, 706972, 757470, 807968, 865680, 883715, 923392, 1009960, 1060458, 1154240, 1211952, 1385088, 1413944, 1514940, 1615936, 1731360, 1767430, 2019920, 2120916, 2308480, 2423904, 2651145, 2770176, 2827888, 3029880, 3231872, 3462720, 3534860, 4039840, 4241832, 4616960, 4847808, 5302290, 5655776, 6059760, 6463744, 6925440, 7069720, 8079680, 8483664, 9695616, 10604580, 11311552, 12119520, 13850880, 14139440, 16159360, 16967328, 19391232, 21209160, 22623104, 24239040, 28278880, 32318720, 33934656, 42418320, 45246208, 48478080, 56557760, 67869312, 84836640, 96956160, 113115520, 135738624, 169673280, 226231040, 339346560, 678693120]

約数ペア:

[(1, 678693120), (2, 339346560), (3, 226231040), (4, 169673280), (5, 135738624), (6, 113115520), (7, 96956160), (8, 84836640), (10, 67869312), (12, 56557760), (14, 48478080), (15, 45246208), (16, 42418320), (20, 33934656), (21, 32318720), (24, 28278880), (28, 24239040), (30, 22623104), (32, 21209160), (35, 19391232), (40, 16967328), (42, 16159360), (48, 14139440), (49, 13850880), (56, 12119520), (60, 11311552), (64, 10604580), (70, 9695616), (80, 8483664), (84, 8079680), (96, 7069720), (98, 6925440), (105, 6463744), (112, 6059760), (120, 5655776), (128, 5302290), (140, 4847808), (147, 4616960), (160, 4241832), (168, 4039840), (192, 3534860), (196, 3462720), (210, 3231872), (224, 3029880), (240, 2827888), (245, 2770176), (256, 2651145), (280, 2423904), (294, 2308480), (320, 2120916), (336, 2019920), (384, 1767430), (392, 1731360), (420, 1615936), (448, 1514940), (480, 1413944), (490, 1385088), (560, 1211952), (588, 1154240), (640, 1060458), (672, 1009960), (735, 923392), (768, 883715), (784, 865680), (840, 807968), (896, 757470), (960, 706972), (980, 692544), (1120, 605976), (1176, 577120), (1280, 530229), (1344, 504980), (1470, 461696), (1568, 432840), (1680, 403984), (1792, 378735), (1920, 353486), (1960, 346272), (2240, 302988), (2352, 288560), (2688, 252490), (2940, 230848), (3136, 216420), (3360, 201992), (3607, 188160), (3840, 176743), (3920, 173136), (4480, 151494), (4704, 144280), (5376, 126245), (5880, 115424), (6272, 108210), (6720, 100996), (7214, 94080), (7840, 86568), (8960, 75747), (9408, 72140), (10821, 62720), (11760, 57712), (12544, 54105), (13440, 50498), (14428, 47040), (15680, 43284), (18035, 37632), (18816, 36070), (21642, 31360), (23520, 28856), (25249, 26880)]