155647520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19853}}^1$

素因数の和:19882

約数の個数: 72

約数和(自身を含む): 427774284

約数和(自身を除く): 272126764

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19853, 39706, 79412, 99265, 138971, 158824, 198530, 277942, 317648, 397060, 555884, 635296, 694855, 794120, 972797, 1111768, 1389710, 1588240, 1945594, 2223536, 2779420, 3176480, 3891188, 4447072, 4863985, 5558840, 7782376, 9727970, 11117680, 15564752, 19455940, 22235360, 31129504, 38911880, 77823760, 155647520]

約数ペア:

[(1, 155647520), (2, 77823760), (4, 38911880), (5, 31129504), (7, 22235360), (8, 19455940), (10, 15564752), (14, 11117680), (16, 9727970), (20, 7782376), (28, 5558840), (32, 4863985), (35, 4447072), (40, 3891188), (49, 3176480), (56, 2779420), (70, 2223536), (80, 1945594), (98, 1588240), (112, 1389710), (140, 1111768), (160, 972797), (196, 794120), (224, 694855), (245, 635296), (280, 555884), (392, 397060), (490, 317648), (560, 277942), (784, 198530), (980, 158824), (1120, 138971), (1568, 99265), (1960, 79412), (3920, 39706), (7840, 19853)]