285212480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:992

約数の個数: 112

約数和(自身を含む): 782092416

約数和(自身を除く): 496879936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 157, 160, 224, 280, 314, 320, 448, 560, 628, 785, 811, 1099, 1120, 1256, 1570, 1622, 2198, 2240, 2512, 3140, 3244, 4055, 4396, 5024, 5495, 5677, 6280, 6488, 8110, 8792, 10048, 10990, 11354, 12560, 12976, 16220, 17584, 21980, 22708, 25120, 25952, 28385, 32440, 35168, 43960, 45416, 50240, 51904, 56770, 64880, 70336, 87920, 90832, 113540, 127327, 129760, 175840, 181664, 227080, 254654, 259520, 351680, 363328, 454160, 509308, 636635, 891289, 908320, 1018616, 1273270, 1782578, 1816640, 2037232, 2546540, 3565156, 4074464, 4456445, 5093080, 7130312, 8148928, 8912890, 10186160, 14260624, 17825780, 20372320, 28521248, 35651560, 40744640, 57042496, 71303120, 142606240, 285212480]

約数ペア:

[(1, 285212480), (2, 142606240), (4, 71303120), (5, 57042496), (7, 40744640), (8, 35651560), (10, 28521248), (14, 20372320), (16, 17825780), (20, 14260624), (28, 10186160), (32, 8912890), (35, 8148928), (40, 7130312), (56, 5093080), (64, 4456445), (70, 4074464), (80, 3565156), (112, 2546540), (140, 2037232), (157, 1816640), (160, 1782578), (224, 1273270), (280, 1018616), (314, 908320), (320, 891289), (448, 636635), (560, 509308), (628, 454160), (785, 363328), (811, 351680), (1099, 259520), (1120, 254654), (1256, 227080), (1570, 181664), (1622, 175840), (2198, 129760), (2240, 127327), (2512, 113540), (3140, 90832), (3244, 87920), (4055, 70336), (4396, 64880), (5024, 56770), (5495, 51904), (5677, 50240), (6280, 45416), (6488, 43960), (8110, 35168), (8792, 32440), (10048, 28385), (10990, 25952), (11354, 25120), (12560, 22708), (12976, 21980), (16220, 17584)]