16180740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 49417368

約数和(自身を除く): 33236628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 373, 482, 723, 746, 964, 1119, 1205, 1446, 1492, 1865, 2169, 2238, 2410, 2892, 3357, 3615, 3730, 4338, 4476, 4820, 5595, 6714, 7230, 7460, 8676, 10845, 11190, 13428, 14460, 16785, 21690, 22380, 33570, 43380, 67140, 89893, 179786, 269679, 359572, 449465, 539358, 809037, 898930, 1078716, 1348395, 1618074, 1797860, 2696790, 3236148, 4045185, 5393580, 8090370, 16180740]

約数ペア:

[(1, 16180740), (2, 8090370), (3, 5393580), (4, 4045185), (5, 3236148), (6, 2696790), (9, 1797860), (10, 1618074), (12, 1348395), (15, 1078716), (18, 898930), (20, 809037), (30, 539358), (36, 449465), (45, 359572), (60, 269679), (90, 179786), (180, 89893), (241, 67140), (373, 43380), (482, 33570), (723, 22380), (746, 21690), (964, 16785), (1119, 14460), (1205, 13428), (1446, 11190), (1492, 10845), (1865, 8676), (2169, 7460), (2238, 7230), (2410, 6714), (2892, 5595), (3357, 4820), (3615, 4476), (3730, 4338)]