2180820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 6431040

約数和(自身を除く): 4250220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1913, 3826, 5739, 7652, 9565, 11478, 19130, 22956, 28695, 36347, 38260, 57390, 72694, 109041, 114780, 145388, 181735, 218082, 363470, 436164, 545205, 726940, 1090410, 2180820]

約数ペア:

[(1, 2180820), (2, 1090410), (3, 726940), (4, 545205), (5, 436164), (6, 363470), (10, 218082), (12, 181735), (15, 145388), (19, 114780), (20, 109041), (30, 72694), (38, 57390), (57, 38260), (60, 36347), (76, 28695), (95, 22956), (114, 19130), (190, 11478), (228, 9565), (285, 7652), (380, 5739), (570, 3826), (1140, 1913)]