64727880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 158806200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 307, 420, 502, 614, 753, 840, 921, 1004, 1228, 1255, 1506, 1535, 1757, 1842, 2008, 2149, 2456, 2510, 3012, 3070, 3514, 3684, 3765, 4298, 4605, 5020, 5271, 6024, 6140, 6447, 7028, 7368, 7530, 8596, 8785, 9210, 10040, 10542, 10745, 12280, 12894, 14056, 15060, 17192, 17570, 18420, 21084, 21490, 25788, 26355, 30120, 32235, 35140, 36840, 42168, 42980, 51576, 52710, 64470, 70280, 77057, 85960, 105420, 128940, 154114, 210840, 231171, 257880, 308228, 385285, 462342, 539399, 616456, 770570, 924684, 1078798, 1155855, 1541140, 1618197, 1849368, 2157596, 2311710, 2696995, 3082280, 3236394, 4315192, 4623420, 5393990, 6472788, 8090985, 9246840, 10787980, 12945576, 16181970, 21575960, 32363940, 64727880]

約数ペア:

[(1, 64727880), (2, 32363940), (3, 21575960), (4, 16181970), (5, 12945576), (6, 10787980), (7, 9246840), (8, 8090985), (10, 6472788), (12, 5393990), (14, 4623420), (15, 4315192), (20, 3236394), (21, 3082280), (24, 2696995), (28, 2311710), (30, 2157596), (35, 1849368), (40, 1618197), (42, 1541140), (56, 1155855), (60, 1078798), (70, 924684), (84, 770570), (105, 616456), (120, 539399), (140, 462342), (168, 385285), (210, 308228), (251, 257880), (280, 231171), (307, 210840), (420, 154114), (502, 128940), (614, 105420), (753, 85960), (840, 77057), (921, 70280), (1004, 64470), (1228, 52710), (1255, 51576), (1506, 42980), (1535, 42168), (1757, 36840), (1842, 35140), (2008, 32235), (2149, 30120), (2456, 26355), (2510, 25788), (3012, 21490), (3070, 21084), (3514, 18420), (3684, 17570), (3765, 17192), (4298, 15060), (4605, 14056), (5020, 12894), (5271, 12280), (6024, 10745), (6140, 10542), (6447, 10040), (7028, 9210), (7368, 8785), (7530, 8596)]