198646920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2801}}^1$

素因数の和:3015

約数の個数: 96

約数和(自身を含む): 649111320

約数和(自身を除く): 450464400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2801, 2955, 3546, 3940, 4728, 5602, 5910, 7092, 7880, 8403, 8865, 11204, 11820, 14005, 14184, 16806, 17730, 22408, 23640, 25209, 28010, 33612, 35460, 42015, 50418, 56020, 67224, 70920, 84030, 100836, 112040, 126045, 168060, 201672, 252090, 336120, 504180, 551797, 1008360, 1103594, 1655391, 2207188, 2758985, 3310782, 4414376, 4966173, 5517970, 6621564, 8276955, 9932346, 11035940, 13243128, 16553910, 19864692, 22071880, 24830865, 33107820, 39729384, 49661730, 66215640, 99323460, 198646920]

約数ペア:

[(1, 198646920), (2, 99323460), (3, 66215640), (4, 49661730), (5, 39729384), (6, 33107820), (8, 24830865), (9, 22071880), (10, 19864692), (12, 16553910), (15, 13243128), (18, 11035940), (20, 9932346), (24, 8276955), (30, 6621564), (36, 5517970), (40, 4966173), (45, 4414376), (60, 3310782), (72, 2758985), (90, 2207188), (120, 1655391), (180, 1103594), (197, 1008360), (360, 551797), (394, 504180), (591, 336120), (788, 252090), (985, 201672), (1182, 168060), (1576, 126045), (1773, 112040), (1970, 100836), (2364, 84030), (2801, 70920), (2955, 67224), (3546, 56020), (3940, 50418), (4728, 42015), (5602, 35460), (5910, 33612), (7092, 28010), (7880, 25209), (8403, 23640), (8865, 22408), (11204, 17730), (11820, 16806), (14005, 14184)]