245893760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{7841}}^1$

素因数の和:7874

約数の個数: 96

約数和(自身を含む): 683900820

約数和(自身を除く): 438007060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 7841, 15680, 15682, 31360, 31364, 39205, 54887, 62728, 78410, 109774, 125456, 156820, 219548, 250912, 274435, 313640, 384209, 439096, 501824, 548870, 627280, 768418, 878192, 1003648, 1097740, 1254560, 1536836, 1756384, 1921045, 2195480, 2509120, 3073672, 3512768, 3842090, 4390960, 5018240, 6147344, 7025536, 7684180, 8781920, 12294688, 15368360, 17563840, 24589376, 30736720, 35127680, 49178752, 61473440, 122946880, 245893760]

約数ペア:

[(1, 245893760), (2, 122946880), (4, 61473440), (5, 49178752), (7, 35127680), (8, 30736720), (10, 24589376), (14, 17563840), (16, 15368360), (20, 12294688), (28, 8781920), (32, 7684180), (35, 7025536), (40, 6147344), (49, 5018240), (56, 4390960), (64, 3842090), (70, 3512768), (80, 3073672), (98, 2509120), (112, 2195480), (128, 1921045), (140, 1756384), (160, 1536836), (196, 1254560), (224, 1097740), (245, 1003648), (280, 878192), (320, 768418), (392, 627280), (448, 548870), (490, 501824), (560, 439096), (640, 384209), (784, 313640), (896, 274435), (980, 250912), (1120, 219548), (1568, 156820), (1960, 125456), (2240, 109774), (3136, 78410), (3920, 62728), (4480, 54887), (6272, 39205), (7840, 31364), (7841, 31360), (15680, 15682)]