280351488

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 801329760

約数和(自身を除く): 520978272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 109, 128, 136, 192, 197, 204, 218, 256, 272, 327, 384, 394, 408, 436, 544, 591, 654, 768, 788, 816, 872, 1088, 1182, 1308, 1576, 1632, 1744, 1853, 2176, 2364, 2616, 3152, 3264, 3349, 3488, 3706, 4352, 4728, 5232, 5559, 6304, 6528, 6698, 6976, 7412, 9456, 10047, 10464, 11118, 12608, 13056, 13396, 13952, 14824, 18912, 20094, 20928, 21473, 22236, 25216, 26792, 27904, 29648, 37824, 40188, 41856, 42946, 44472, 50432, 53584, 59296, 64419, 75648, 80376, 83712, 85892, 88944, 107168, 118592, 128838, 151296, 160752, 171784, 177888, 214336, 237184, 257676, 321504, 343568, 355776, 365041, 428672, 474368, 515352, 643008, 687136, 711552, 730082, 857344, 1030704, 1095123, 1286016, 1374272, 1423104, 1460164, 2061408, 2190246, 2572032, 2748544, 2920328, 4122816, 4380492, 5497088, 5840656, 8245632, 8760984, 11681312, 16491264, 17521968, 23362624, 35043936, 46725248, 70087872, 93450496, 140175744, 280351488]

約数ペア:

[(1, 280351488), (2, 140175744), (3, 93450496), (4, 70087872), (6, 46725248), (8, 35043936), (12, 23362624), (16, 17521968), (17, 16491264), (24, 11681312), (32, 8760984), (34, 8245632), (48, 5840656), (51, 5497088), (64, 4380492), (68, 4122816), (96, 2920328), (102, 2748544), (109, 2572032), (128, 2190246), (136, 2061408), (192, 1460164), (197, 1423104), (204, 1374272), (218, 1286016), (256, 1095123), (272, 1030704), (327, 857344), (384, 730082), (394, 711552), (408, 687136), (436, 643008), (544, 515352), (591, 474368), (654, 428672), (768, 365041), (788, 355776), (816, 343568), (872, 321504), (1088, 257676), (1182, 237184), (1308, 214336), (1576, 177888), (1632, 171784), (1744, 160752), (1853, 151296), (2176, 128838), (2364, 118592), (2616, 107168), (3152, 88944), (3264, 85892), (3349, 83712), (3488, 80376), (3706, 75648), (4352, 64419), (4728, 59296), (5232, 53584), (5559, 50432), (6304, 44472), (6528, 42946), (6698, 41856), (6976, 40188), (7412, 37824), (9456, 29648), (10047, 27904), (10464, 26792), (11118, 25216), (12608, 22236), (13056, 21473), (13396, 20928), (13952, 20094), (14824, 18912)]