1991160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5531}}^1$

素因数の和:5548

約数の個数: 48

約数和(自身を含む): 6472440

約数和(自身を除く): 4481280

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, 360, 5531, 11062, 16593, 22124, 27655, 33186, 44248, 49779, 55310, 66372, 82965, 99558, 110620, 132744, 165930, 199116, 221240, 248895, 331860, 398232, 497790, 663720, 995580, 1991160]

約数ペア:

[(1, 1991160), (2, 995580), (3, 663720), (4, 497790), (5, 398232), (6, 331860), (8, 248895), (9, 221240), (10, 199116), (12, 165930), (15, 132744), (18, 110620), (20, 99558), (24, 82965), (30, 66372), (36, 55310), (40, 49779), (45, 44248), (60, 33186), (72, 27655), (90, 22124), (120, 16593), (180, 11062), (360, 5531)]