261457280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3433}}^1$

素因数の和:3476

約数の個数: 128

約数和(自身を含む): 756578880

約数和(自身を除く): 495121600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3433, 3808, 4480, 4760, 5440, 6866, 7616, 9520, 10880, 13732, 15232, 17165, 19040, 24031, 27464, 34330, 38080, 48062, 54928, 58361, 68660, 76160, 96124, 109856, 116722, 120155, 137320, 192248, 219712, 233444, 240310, 274640, 291805, 384496, 408527, 439424, 466888, 480620, 549280, 583610, 768992, 817054, 933776, 961240, 1098560, 1167220, 1537984, 1634108, 1867552, 1922480, 2042635, 2197120, 2334440, 3075968, 3268216, 3735104, 3844960, 4085270, 4668880, 6536432, 7470208, 7689920, 8170540, 9337760, 13072864, 15379840, 16341080, 18675520, 26145728, 32682160, 37351040, 52291456, 65364320, 130728640, 261457280]

約数ペア:

[(1, 261457280), (2, 130728640), (4, 65364320), (5, 52291456), (7, 37351040), (8, 32682160), (10, 26145728), (14, 18675520), (16, 16341080), (17, 15379840), (20, 13072864), (28, 9337760), (32, 8170540), (34, 7689920), (35, 7470208), (40, 6536432), (56, 4668880), (64, 4085270), (68, 3844960), (70, 3735104), (80, 3268216), (85, 3075968), (112, 2334440), (119, 2197120), (128, 2042635), (136, 1922480), (140, 1867552), (160, 1634108), (170, 1537984), (224, 1167220), (238, 1098560), (272, 961240), (280, 933776), (320, 817054), (340, 768992), (448, 583610), (476, 549280), (544, 480620), (560, 466888), (595, 439424), (640, 408527), (680, 384496), (896, 291805), (952, 274640), (1088, 240310), (1120, 233444), (1190, 219712), (1360, 192248), (1904, 137320), (2176, 120155), (2240, 116722), (2380, 109856), (2720, 96124), (3433, 76160), (3808, 68660), (4480, 58361), (4760, 54928), (5440, 48062), (6866, 38080), (7616, 34330), (9520, 27464), (10880, 24031), (13732, 19040), (15232, 17165)]