280070560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 192

約数和(自身を含む): 836075520

約数和(自身を除く): 556004960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 160, 176, 179, 220, 224, 254, 280, 308, 352, 358, 385, 440, 508, 560, 616, 635, 716, 770, 880, 889, 895, 1016, 1120, 1232, 1253, 1270, 1397, 1432, 1540, 1760, 1778, 1790, 1969, 2032, 2464, 2506, 2540, 2794, 2864, 3080, 3556, 3580, 3938, 4064, 4445, 5012, 5080, 5588, 5728, 6160, 6265, 6985, 7112, 7160, 7876, 8890, 9779, 9845, 10024, 10160, 11176, 12320, 12530, 13783, 13970, 14224, 14320, 15752, 17780, 19558, 19690, 20048, 20320, 22352, 22733, 25060, 27566, 27940, 28448, 28640, 31504, 35560, 39116, 39380, 40096, 44704, 45466, 48895, 50120, 55132, 55880, 63008, 68915, 71120, 78232, 78760, 90932, 97790, 100240, 110264, 111760, 113665, 137830, 142240, 156464, 157520, 159131, 181864, 195580, 200480, 220528, 223520, 227330, 250063, 275660, 312928, 315040, 318262, 363728, 391160, 441056, 454660, 500126, 551320, 636524, 727456, 782320, 795655, 909320, 1000252, 1102640, 1250315, 1273048, 1564640, 1591310, 1750441, 1818640, 2000504, 2205280, 2500630, 2546096, 3182620, 3500882, 3637280, 4001008, 5001260, 5092192, 6365240, 7001764, 8002016, 8752205, 10002520, 12730480, 14003528, 17504410, 20005040, 25460960, 28007056, 35008820, 40010080, 56014112, 70017640, 140035280, 280070560]

約数ペア:

[(1, 280070560), (2, 140035280), (4, 70017640), (5, 56014112), (7, 40010080), (8, 35008820), (10, 28007056), (11, 25460960), (14, 20005040), (16, 17504410), (20, 14003528), (22, 12730480), (28, 10002520), (32, 8752205), (35, 8002016), (40, 7001764), (44, 6365240), (55, 5092192), (56, 5001260), (70, 4001008), (77, 3637280), (80, 3500882), (88, 3182620), (110, 2546096), (112, 2500630), (127, 2205280), (140, 2000504), (154, 1818640), (160, 1750441), (176, 1591310), (179, 1564640), (220, 1273048), (224, 1250315), (254, 1102640), (280, 1000252), (308, 909320), (352, 795655), (358, 782320), (385, 727456), (440, 636524), (508, 551320), (560, 500126), (616, 454660), (635, 441056), (716, 391160), (770, 363728), (880, 318262), (889, 315040), (895, 312928), (1016, 275660), (1120, 250063), (1232, 227330), (1253, 223520), (1270, 220528), (1397, 200480), (1432, 195580), (1540, 181864), (1760, 159131), (1778, 157520), (1790, 156464), (1969, 142240), (2032, 137830), (2464, 113665), (2506, 111760), (2540, 110264), (2794, 100240), (2864, 97790), (3080, 90932), (3556, 78760), (3580, 78232), (3938, 71120), (4064, 68915), (4445, 63008), (5012, 55880), (5080, 55132), (5588, 50120), (5728, 48895), (6160, 45466), (6265, 44704), (6985, 40096), (7112, 39380), (7160, 39116), (7876, 35560), (8890, 31504), (9779, 28640), (9845, 28448), (10024, 27940), (10160, 27566), (11176, 25060), (12320, 22733), (12530, 22352), (13783, 20320), (13970, 20048), (14224, 19690), (14320, 19558), (15752, 17780)]