81134460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 289064160

約数和(自身を除く): 207929700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 81, 87, 90, 99, 108, 110, 116, 132, 135, 145, 157, 162, 165, 174, 180, 198, 220, 261, 270, 290, 297, 314, 319, 324, 330, 348, 396, 405, 435, 471, 495, 522, 540, 580, 594, 628, 638, 660, 783, 785, 810, 870, 891, 942, 957, 990, 1044, 1188, 1276, 1305, 1413, 1485, 1566, 1570, 1595, 1620, 1727, 1740, 1782, 1884, 1914, 1980, 2349, 2355, 2610, 2826, 2871, 2970, 3132, 3140, 3190, 3454, 3564, 3828, 3915, 4239, 4455, 4553, 4698, 4710, 4785, 5181, 5220, 5652, 5742, 5940, 6380, 6908, 7065, 7830, 8478, 8613, 8635, 8910, 9106, 9396, 9420, 9570, 10362, 11484, 11745, 12717, 13659, 14130, 14355, 15543, 15660, 16956, 17226, 17270, 17820, 18212, 19140, 20724, 21195, 22765, 23490, 25434, 25839, 25905, 27318, 28260, 28710, 31086, 34452, 34540, 40977, 42390, 43065, 45530, 46629, 46980, 50083, 50868, 51678, 51810, 54636, 57420, 62172, 63585, 68295, 77715, 81954, 84780, 86130, 91060, 93258, 100166, 103356, 103620, 122931, 127170, 129195, 136590, 139887, 150249, 155430, 163908, 172260, 186516, 200332, 204885, 233145, 245862, 250415, 254340, 258390, 273180, 279774, 300498, 310860, 368793, 409770, 450747, 466290, 491724, 500830, 516780, 559548, 600996, 614655, 699435, 737586, 751245, 819540, 901494, 932580, 1001660, 1229310, 1352241, 1398870, 1475172, 1502490, 1802988, 1843965, 2253735, 2458620, 2704482, 2797740, 3004980, 3687930, 4056723, 4507470, 5408964, 6761205, 7375860, 8113446, 9014940, 13522410, 16226892, 20283615, 27044820, 40567230, 81134460]

約数ペア:

[(1, 81134460), (2, 40567230), (3, 27044820), (4, 20283615), (5, 16226892), (6, 13522410), (9, 9014940), (10, 8113446), (11, 7375860), (12, 6761205), (15, 5408964), (18, 4507470), (20, 4056723), (22, 3687930), (27, 3004980), (29, 2797740), (30, 2704482), (33, 2458620), (36, 2253735), (44, 1843965), (45, 1802988), (54, 1502490), (55, 1475172), (58, 1398870), (60, 1352241), (66, 1229310), (81, 1001660), (87, 932580), (90, 901494), (99, 819540), (108, 751245), (110, 737586), (116, 699435), (132, 614655), (135, 600996), (145, 559548), (157, 516780), (162, 500830), (165, 491724), (174, 466290), (180, 450747), (198, 409770), (220, 368793), (261, 310860), (270, 300498), (290, 279774), (297, 273180), (314, 258390), (319, 254340), (324, 250415), (330, 245862), (348, 233145), (396, 204885), (405, 200332), (435, 186516), (471, 172260), (495, 163908), (522, 155430), (540, 150249), (580, 139887), (594, 136590), (628, 129195), (638, 127170), (660, 122931), (783, 103620), (785, 103356), (810, 100166), (870, 93258), (891, 91060), (942, 86130), (957, 84780), (990, 81954), (1044, 77715), (1188, 68295), (1276, 63585), (1305, 62172), (1413, 57420), (1485, 54636), (1566, 51810), (1570, 51678), (1595, 50868), (1620, 50083), (1727, 46980), (1740, 46629), (1782, 45530), (1884, 43065), (1914, 42390), (1980, 40977), (2349, 34540), (2355, 34452), (2610, 31086), (2826, 28710), (2871, 28260), (2970, 27318), (3132, 25905), (3140, 25839), (3190, 25434), (3454, 23490), (3564, 22765), (3828, 21195), (3915, 20724), (4239, 19140), (4455, 18212), (4553, 17820), (4698, 17270), (4710, 17226), (4785, 16956), (5181, 15660), (5220, 15543), (5652, 14355), (5742, 14130), (5940, 13659), (6380, 12717), (6908, 11745), (7065, 11484), (7830, 10362), (8478, 9570), (8613, 9420), (8635, 9396), (8910, 9106)]