18293640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 55287360

約数和(自身を除く): 36993720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 971, 1256, 1570, 1884, 1942, 2355, 2913, 3140, 3768, 3884, 4710, 4855, 5826, 6280, 7768, 9420, 9710, 11652, 14565, 18840, 19420, 23304, 29130, 38840, 58260, 116520, 152447, 304894, 457341, 609788, 762235, 914682, 1219576, 1524470, 1829364, 2286705, 3048940, 3658728, 4573410, 6097880, 9146820, 18293640]

約数ペア:

[(1, 18293640), (2, 9146820), (3, 6097880), (4, 4573410), (5, 3658728), (6, 3048940), (8, 2286705), (10, 1829364), (12, 1524470), (15, 1219576), (20, 914682), (24, 762235), (30, 609788), (40, 457341), (60, 304894), (120, 152447), (157, 116520), (314, 58260), (471, 38840), (628, 29130), (785, 23304), (942, 19420), (971, 18840), (1256, 14565), (1570, 11652), (1884, 9710), (1942, 9420), (2355, 7768), (2913, 6280), (3140, 5826), (3768, 4855), (3884, 4710)]