81020321880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3902713}}^1$

素因数の和:3902900

約数の個数: 64

約数和(自身を含む): 244466004960

約数和(自身を除く): 163445683080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 4152, 5190, 6920, 10380, 20760, 3902713, 7805426, 11708139, 15610852, 19513565, 23416278, 31221704, 39027130, 46832556, 58540695, 78054260, 93665112, 117081390, 156108520, 234162780, 468325560, 675169349, 1350338698, 2025508047, 2700677396, 3375846745, 4051016094, 5401354792, 6751693490, 8102032188, 10127540235, 13503386980, 16204064376, 20255080470, 27006773960, 40510160940, 81020321880]

約数ペア:

[(1, 81020321880), (2, 40510160940), (3, 27006773960), (4, 20255080470), (5, 16204064376), (6, 13503386980), (8, 10127540235), (10, 8102032188), (12, 6751693490), (15, 5401354792), (20, 4051016094), (24, 3375846745), (30, 2700677396), (40, 2025508047), (60, 1350338698), (120, 675169349), (173, 468325560), (346, 234162780), (519, 156108520), (692, 117081390), (865, 93665112), (1038, 78054260), (1384, 58540695), (1730, 46832556), (2076, 39027130), (2595, 31221704), (3460, 23416278), (4152, 19513565), (5190, 15610852), (6920, 11708139), (10380, 7805426), (20760, 3902713)]