64841560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{631}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 167454720

約数和(自身を除く): 102613160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 367, 631, 734, 1262, 1468, 1835, 2524, 2569, 2936, 3155, 3670, 4417, 5048, 5138, 6310, 7340, 8834, 10276, 12620, 12845, 14680, 17668, 20552, 22085, 25240, 25690, 35336, 44170, 51380, 88340, 102760, 176680, 231577, 463154, 926308, 1157885, 1621039, 1852616, 2315770, 3242078, 4631540, 6484156, 8105195, 9263080, 12968312, 16210390, 32420780, 64841560]

約数ペア:

[(1, 64841560), (2, 32420780), (4, 16210390), (5, 12968312), (7, 9263080), (8, 8105195), (10, 6484156), (14, 4631540), (20, 3242078), (28, 2315770), (35, 1852616), (40, 1621039), (56, 1157885), (70, 926308), (140, 463154), (280, 231577), (367, 176680), (631, 102760), (734, 88340), (1262, 51380), (1468, 44170), (1835, 35336), (2524, 25690), (2569, 25240), (2936, 22085), (3155, 20552), (3670, 17668), (4417, 14680), (5048, 12845), (5138, 12620), (6310, 10276), (7340, 8834)]