820145640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359713}}^1$

素因数の和:359746

約数の個数: 64

約数和(自身を含む): 2589940800

約数和(自身を除く): 1769795160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 359713, 719426, 1079139, 1438852, 1798565, 2158278, 2877704, 3597130, 4316556, 5395695, 6834547, 7194260, 8633112, 10791390, 13669094, 14388520, 20503641, 21582780, 27338188, 34172735, 41007282, 43165560, 54676376, 68345470, 82014564, 102518205, 136690940, 164029128, 205036410, 273381880, 410072820, 820145640]

約数ペア:

[(1, 820145640), (2, 410072820), (3, 273381880), (4, 205036410), (5, 164029128), (6, 136690940), (8, 102518205), (10, 82014564), (12, 68345470), (15, 54676376), (19, 43165560), (20, 41007282), (24, 34172735), (30, 27338188), (38, 21582780), (40, 20503641), (57, 14388520), (60, 13669094), (76, 10791390), (95, 8633112), (114, 7194260), (120, 6834547), (152, 5395695), (190, 4316556), (228, 3597130), (285, 2877704), (380, 2158278), (456, 1798565), (570, 1438852), (760, 1079139), (1140, 719426), (2280, 359713)]