345931520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 918328320

約数和(自身を除く): 572396800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 128, 158, 160, 176, 220, 256, 311, 316, 320, 352, 395, 440, 622, 632, 640, 704, 790, 869, 880, 1244, 1264, 1280, 1408, 1555, 1580, 1738, 1760, 2488, 2528, 2816, 3110, 3160, 3421, 3476, 3520, 4345, 4976, 5056, 6220, 6320, 6842, 6952, 7040, 8690, 9952, 10112, 12440, 12640, 13684, 13904, 14080, 17105, 17380, 19904, 20224, 24569, 24880, 25280, 27368, 27808, 34210, 34760, 39808, 49138, 49760, 50560, 54736, 55616, 68420, 69520, 79616, 98276, 99520, 101120, 109472, 111232, 122845, 136840, 139040, 196552, 199040, 218944, 222464, 245690, 270259, 273680, 278080, 393104, 398080, 437888, 491380, 540518, 547360, 556160, 786208, 875776, 982760, 1081036, 1094720, 1112320, 1351295, 1572416, 1965520, 2162072, 2189440, 2702590, 3144832, 3931040, 4324144, 4378880, 5405180, 6289664, 7862080, 8648288, 10810360, 15724160, 17296576, 21620720, 31448320, 34593152, 43241440, 69186304, 86482880, 172965760, 345931520]

約数ペア:

[(1, 345931520), (2, 172965760), (4, 86482880), (5, 69186304), (8, 43241440), (10, 34593152), (11, 31448320), (16, 21620720), (20, 17296576), (22, 15724160), (32, 10810360), (40, 8648288), (44, 7862080), (55, 6289664), (64, 5405180), (79, 4378880), (80, 4324144), (88, 3931040), (110, 3144832), (128, 2702590), (158, 2189440), (160, 2162072), (176, 1965520), (220, 1572416), (256, 1351295), (311, 1112320), (316, 1094720), (320, 1081036), (352, 982760), (395, 875776), (440, 786208), (622, 556160), (632, 547360), (640, 540518), (704, 491380), (790, 437888), (869, 398080), (880, 393104), (1244, 278080), (1264, 273680), (1280, 270259), (1408, 245690), (1555, 222464), (1580, 218944), (1738, 199040), (1760, 196552), (2488, 139040), (2528, 136840), (2816, 122845), (3110, 111232), (3160, 109472), (3421, 101120), (3476, 99520), (3520, 98276), (4345, 79616), (4976, 69520), (5056, 68420), (6220, 55616), (6320, 54736), (6842, 50560), (6952, 49760), (7040, 49138), (8690, 39808), (9952, 34760), (10112, 34210), (12440, 27808), (12640, 27368), (13684, 25280), (13904, 24880), (14080, 24569), (17105, 20224), (17380, 19904)]