81603540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 108

約数和(自身を含む): 259062804

約数和(自身を除く): 177459264

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 529, 690, 828, 857, 1035, 1058, 1380, 1587, 1714, 2070, 2116, 2571, 2645, 3174, 3428, 4140, 4285, 4761, 5142, 5290, 6348, 7713, 7935, 8570, 9522, 10284, 10580, 12855, 15426, 15870, 17140, 19044, 19711, 23805, 25710, 30852, 31740, 38565, 39422, 47610, 51420, 59133, 77130, 78844, 95220, 98555, 118266, 154260, 177399, 197110, 236532, 295665, 354798, 394220, 453353, 591330, 709596, 886995, 906706, 1182660, 1360059, 1773990, 1813412, 2266765, 2720118, 3547980, 4080177, 4533530, 5440236, 6800295, 8160354, 9067060, 13600590, 16320708, 20400885, 27201180, 40801770, 81603540]

約数ペア:

[(1, 81603540), (2, 40801770), (3, 27201180), (4, 20400885), (5, 16320708), (6, 13600590), (9, 9067060), (10, 8160354), (12, 6800295), (15, 5440236), (18, 4533530), (20, 4080177), (23, 3547980), (30, 2720118), (36, 2266765), (45, 1813412), (46, 1773990), (60, 1360059), (69, 1182660), (90, 906706), (92, 886995), (115, 709596), (138, 591330), (180, 453353), (207, 394220), (230, 354798), (276, 295665), (345, 236532), (414, 197110), (460, 177399), (529, 154260), (690, 118266), (828, 98555), (857, 95220), (1035, 78844), (1058, 77130), (1380, 59133), (1587, 51420), (1714, 47610), (2070, 39422), (2116, 38565), (2571, 31740), (2645, 30852), (3174, 25710), (3428, 23805), (4140, 19711), (4285, 19044), (4761, 17140), (5142, 15870), (5290, 15426), (6348, 12855), (7713, 10580), (7935, 10284), (8570, 9522)]