212760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{197}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 712800

約数和(自身を除く): 500040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 197, 216, 270, 360, 394, 540, 591, 788, 985, 1080, 1182, 1576, 1773, 1970, 2364, 2955, 3546, 3940, 4728, 5319, 5910, 7092, 7880, 8865, 10638, 11820, 14184, 17730, 21276, 23640, 26595, 35460, 42552, 53190, 70920, 106380, 212760]

約数ペア:

[(1, 212760), (2, 106380), (3, 70920), (4, 53190), (5, 42552), (6, 35460), (8, 26595), (9, 23640), (10, 21276), (12, 17730), (15, 14184), (18, 11820), (20, 10638), (24, 8865), (27, 7880), (30, 7092), (36, 5910), (40, 5319), (45, 4728), (54, 3940), (60, 3546), (72, 2955), (90, 2364), (108, 1970), (120, 1773), (135, 1576), (180, 1182), (197, 1080), (216, 985), (270, 788), (360, 591), (394, 540)]