19802760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2797}}^1$

素因数の和:2870

約数の個数: 64

約数和(自身を含む): 60436800

約数和(自身を除く): 40634040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2797, 3540, 5594, 7080, 8391, 11188, 13985, 16782, 22376, 27970, 33564, 41955, 55940, 67128, 83910, 111880, 165023, 167820, 330046, 335640, 495069, 660092, 825115, 990138, 1320184, 1650230, 1980276, 2475345, 3300460, 3960552, 4950690, 6600920, 9901380, 19802760]

約数ペア:

[(1, 19802760), (2, 9901380), (3, 6600920), (4, 4950690), (5, 3960552), (6, 3300460), (8, 2475345), (10, 1980276), (12, 1650230), (15, 1320184), (20, 990138), (24, 825115), (30, 660092), (40, 495069), (59, 335640), (60, 330046), (118, 167820), (120, 165023), (177, 111880), (236, 83910), (295, 67128), (354, 55940), (472, 41955), (590, 33564), (708, 27970), (885, 22376), (1180, 16782), (1416, 13985), (1770, 11188), (2360, 8391), (2797, 7080), (3540, 5594)]