640764

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 1764000

約数和(自身を除く): 1123236

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 349, 459, 612, 698, 918, 1047, 1396, 1836, 2094, 3141, 4188, 5933, 6282, 9423, 11866, 12564, 17799, 18846, 23732, 35598, 37692, 53397, 71196, 106794, 160191, 213588, 320382, 640764]

約数ペア:

[(1, 640764), (2, 320382), (3, 213588), (4, 160191), (6, 106794), (9, 71196), (12, 53397), (17, 37692), (18, 35598), (27, 23732), (34, 18846), (36, 17799), (51, 12564), (54, 11866), (68, 9423), (102, 6282), (108, 5933), (153, 4188), (204, 3141), (306, 2094), (349, 1836), (459, 1396), (612, 1047), (698, 918)]