131232640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2663}}^1$

素因数の和:2700

約数の個数: 128

約数和(自身を含む): 391288320

約数和(自身を除く): 260055680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 2663, 3080, 3520, 4480, 4928, 5326, 6160, 7040, 9856, 10652, 12320, 13315, 18641, 21304, 24640, 26630, 29293, 37282, 42608, 49280, 53260, 58586, 74564, 85216, 93205, 106520, 117172, 146465, 149128, 170432, 186410, 205051, 213040, 234344, 292930, 298256, 340864, 372820, 410102, 426080, 468688, 585860, 596512, 745640, 820204, 852160, 937376, 1025255, 1171720, 1193024, 1491280, 1640408, 1704320, 1874752, 2050510, 2343440, 2386048, 2982560, 3280816, 3749504, 4101020, 4686880, 5965120, 6561632, 8202040, 9373760, 11930240, 13123264, 16404080, 18747520, 26246528, 32808160, 65616320, 131232640]

約数ペア:

[(1, 131232640), (2, 65616320), (4, 32808160), (5, 26246528), (7, 18747520), (8, 16404080), (10, 13123264), (11, 11930240), (14, 9373760), (16, 8202040), (20, 6561632), (22, 5965120), (28, 4686880), (32, 4101020), (35, 3749504), (40, 3280816), (44, 2982560), (55, 2386048), (56, 2343440), (64, 2050510), (70, 1874752), (77, 1704320), (80, 1640408), (88, 1491280), (110, 1193024), (112, 1171720), (128, 1025255), (140, 937376), (154, 852160), (160, 820204), (176, 745640), (220, 596512), (224, 585860), (280, 468688), (308, 426080), (320, 410102), (352, 372820), (385, 340864), (440, 298256), (448, 292930), (560, 234344), (616, 213040), (640, 205051), (704, 186410), (770, 170432), (880, 149128), (896, 146465), (1120, 117172), (1232, 106520), (1408, 93205), (1540, 85216), (1760, 74564), (2240, 58586), (2464, 53260), (2663, 49280), (3080, 42608), (3520, 37282), (4480, 29293), (4928, 26630), (5326, 24640), (6160, 21304), (7040, 18641), (9856, 13315), (10652, 12320)]