1280322560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 176

約数和(自身を含む): 3395727360

約数和(自身を除く): 2115404800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 160, 176, 179, 220, 254, 256, 320, 352, 358, 440, 508, 512, 635, 640, 704, 716, 880, 895, 1016, 1024, 1270, 1280, 1397, 1408, 1432, 1760, 1790, 1969, 2032, 2540, 2560, 2794, 2816, 2864, 3520, 3580, 3938, 4064, 5080, 5120, 5588, 5632, 5728, 6985, 7040, 7160, 7876, 8128, 9845, 10160, 11176, 11264, 11456, 13970, 14080, 14320, 15752, 16256, 19690, 20320, 22352, 22733, 22912, 27940, 28160, 28640, 31504, 32512, 39380, 40640, 44704, 45466, 45824, 55880, 56320, 57280, 63008, 65024, 78760, 81280, 89408, 90932, 91648, 111760, 113665, 114560, 126016, 130048, 157520, 162560, 178816, 181864, 183296, 223520, 227330, 229120, 250063, 252032, 315040, 325120, 357632, 363728, 447040, 454660, 458240, 500126, 504064, 630080, 650240, 715264, 727456, 894080, 909320, 916480, 1000252, 1008128, 1250315, 1260160, 1430528, 1454912, 1788160, 1818640, 2000504, 2016256, 2500630, 2520320, 2909824, 3576320, 3637280, 4001008, 5001260, 5040640, 5819648, 7152640, 7274560, 8002016, 10002520, 10081280, 11639296, 14549120, 16004032, 20005040, 23278592, 29098240, 32008064, 40010080, 58196480, 64016128, 80020160, 116392960, 128032256, 160040320, 256064512, 320080640, 640161280, 1280322560]

約数ペア:

[(1, 1280322560), (2, 640161280), (4, 320080640), (5, 256064512), (8, 160040320), (10, 128032256), (11, 116392960), (16, 80020160), (20, 64016128), (22, 58196480), (32, 40010080), (40, 32008064), (44, 29098240), (55, 23278592), (64, 20005040), (80, 16004032), (88, 14549120), (110, 11639296), (127, 10081280), (128, 10002520), (160, 8002016), (176, 7274560), (179, 7152640), (220, 5819648), (254, 5040640), (256, 5001260), (320, 4001008), (352, 3637280), (358, 3576320), (440, 2909824), (508, 2520320), (512, 2500630), (635, 2016256), (640, 2000504), (704, 1818640), (716, 1788160), (880, 1454912), (895, 1430528), (1016, 1260160), (1024, 1250315), (1270, 1008128), (1280, 1000252), (1397, 916480), (1408, 909320), (1432, 894080), (1760, 727456), (1790, 715264), (1969, 650240), (2032, 630080), (2540, 504064), (2560, 500126), (2794, 458240), (2816, 454660), (2864, 447040), (3520, 363728), (3580, 357632), (3938, 325120), (4064, 315040), (5080, 252032), (5120, 250063), (5588, 229120), (5632, 227330), (5728, 223520), (6985, 183296), (7040, 181864), (7160, 178816), (7876, 162560), (8128, 157520), (9845, 130048), (10160, 126016), (11176, 114560), (11264, 113665), (11456, 111760), (13970, 91648), (14080, 90932), (14320, 89408), (15752, 81280), (16256, 78760), (19690, 65024), (20320, 63008), (22352, 57280), (22733, 56320), (22912, 55880), (27940, 45824), (28160, 45466), (28640, 44704), (31504, 40640), (32512, 39380)]