181631280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3803}}^1$

素因数の和:4018

約数の個数: 80

約数和(自身を含む): 566035200

約数和(自身を除く): 384403920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3184, 3803, 3980, 4776, 5970, 7606, 7960, 9552, 11409, 11940, 15212, 15920, 19015, 22818, 23880, 30424, 38030, 45636, 47760, 57045, 60848, 76060, 91272, 114090, 152120, 182544, 228180, 304240, 456360, 756797, 912720, 1513594, 2270391, 3027188, 3783985, 4540782, 6054376, 7567970, 9081564, 11351955, 12108752, 15135940, 18163128, 22703910, 30271880, 36326256, 45407820, 60543760, 90815640, 181631280]

約数ペア:

[(1, 181631280), (2, 90815640), (3, 60543760), (4, 45407820), (5, 36326256), (6, 30271880), (8, 22703910), (10, 18163128), (12, 15135940), (15, 12108752), (16, 11351955), (20, 9081564), (24, 7567970), (30, 6054376), (40, 4540782), (48, 3783985), (60, 3027188), (80, 2270391), (120, 1513594), (199, 912720), (240, 756797), (398, 456360), (597, 304240), (796, 228180), (995, 182544), (1194, 152120), (1592, 114090), (1990, 91272), (2388, 76060), (2985, 60848), (3184, 57045), (3803, 47760), (3980, 45636), (4776, 38030), (5970, 30424), (7606, 23880), (7960, 22818), (9552, 19015), (11409, 15920), (11940, 15212)]