18155480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 48632400

約数和(自身を除く): 30476920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 157, 196, 236, 245, 280, 295, 314, 392, 413, 472, 490, 590, 628, 785, 826, 980, 1099, 1180, 1256, 1570, 1652, 1960, 2065, 2198, 2360, 2891, 3140, 3304, 4130, 4396, 5495, 5782, 6280, 7693, 8260, 8792, 9263, 10990, 11564, 14455, 15386, 16520, 18526, 21980, 23128, 28910, 30772, 37052, 38465, 43960, 46315, 57820, 61544, 64841, 74104, 76930, 92630, 115640, 129682, 153860, 185260, 259364, 307720, 324205, 370520, 453887, 518728, 648410, 907774, 1296820, 1815548, 2269435, 2593640, 3631096, 4538870, 9077740, 18155480]

約数ペア:

[(1, 18155480), (2, 9077740), (4, 4538870), (5, 3631096), (7, 2593640), (8, 2269435), (10, 1815548), (14, 1296820), (20, 907774), (28, 648410), (35, 518728), (40, 453887), (49, 370520), (56, 324205), (59, 307720), (70, 259364), (98, 185260), (118, 153860), (140, 129682), (157, 115640), (196, 92630), (236, 76930), (245, 74104), (280, 64841), (295, 61544), (314, 57820), (392, 46315), (413, 43960), (472, 38465), (490, 37052), (590, 30772), (628, 28910), (785, 23128), (826, 21980), (980, 18526), (1099, 16520), (1180, 15386), (1256, 14455), (1570, 11564), (1652, 10990), (1960, 9263), (2065, 8792), (2198, 8260), (2360, 7693), (2891, 6280), (3140, 5782), (3304, 5495), (4130, 4396)]