20345040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9419}}^1$

素因数の和:9441

約数の個数: 80

約数和(自身を含む): 70084800

約数和(自身を除く): 49739760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9419, 18838, 28257, 37676, 47095, 56514, 75352, 84771, 94190, 113028, 141285, 150704, 169542, 188380, 226056, 254313, 282570, 339084, 376760, 423855, 452112, 508626, 565140, 678168, 753520, 847710, 1017252, 1130280, 1271565, 1356336, 1695420, 2034504, 2260560, 2543130, 3390840, 4069008, 5086260, 6781680, 10172520, 20345040]

約数ペア:

[(1, 20345040), (2, 10172520), (3, 6781680), (4, 5086260), (5, 4069008), (6, 3390840), (8, 2543130), (9, 2260560), (10, 2034504), (12, 1695420), (15, 1356336), (16, 1271565), (18, 1130280), (20, 1017252), (24, 847710), (27, 753520), (30, 678168), (36, 565140), (40, 508626), (45, 452112), (48, 423855), (54, 376760), (60, 339084), (72, 282570), (80, 254313), (90, 226056), (108, 188380), (120, 169542), (135, 150704), (144, 141285), (180, 113028), (216, 94190), (240, 84771), (270, 75352), (360, 56514), (432, 47095), (540, 37676), (720, 28257), (1080, 18838), (2160, 9419)]