81203850

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 192

約数和(自身を含む): 275815680

約数和(自身を除く): 194611830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 27, 30, 35, 39, 42, 45, 50, 54, 63, 65, 70, 75, 78, 90, 91, 105, 117, 126, 130, 135, 150, 175, 182, 189, 195, 210, 225, 234, 270, 273, 315, 325, 350, 351, 378, 390, 450, 455, 525, 546, 585, 630, 650, 661, 675, 702, 819, 910, 945, 975, 1050, 1170, 1322, 1350, 1365, 1575, 1638, 1755, 1890, 1950, 1983, 2275, 2457, 2730, 2925, 3150, 3305, 3510, 3966, 4095, 4550, 4627, 4725, 4914, 5850, 5949, 6610, 6825, 8190, 8593, 8775, 9254, 9450, 9915, 11898, 12285, 13650, 13881, 16525, 17186, 17550, 17847, 19830, 20475, 23135, 24570, 25779, 27762, 29745, 33050, 35694, 40950, 41643, 42965, 46270, 49575, 51558, 59490, 60151, 61425, 69405, 77337, 83286, 85930, 89235, 99150, 115675, 120302, 122850, 124929, 128895, 138810, 148725, 154674, 178470, 180453, 208215, 214825, 231350, 232011, 249858, 257790, 297450, 300755, 347025, 360906, 386685, 416430, 429650, 446175, 464022, 541359, 601510, 624645, 644475, 694050, 773370, 892350, 902265, 1041075, 1082718, 1160055, 1249290, 1288950, 1503775, 1624077, 1804530, 1933425, 2082150, 2320110, 2706795, 3007550, 3123225, 3248154, 3866850, 4511325, 5413590, 5800275, 6246450, 8120385, 9022650, 11600550, 13533975, 16240770, 27067950, 40601925, 81203850]

約数ペア:

[(1, 81203850), (2, 40601925), (3, 27067950), (5, 16240770), (6, 13533975), (7, 11600550), (9, 9022650), (10, 8120385), (13, 6246450), (14, 5800275), (15, 5413590), (18, 4511325), (21, 3866850), (25, 3248154), (26, 3123225), (27, 3007550), (30, 2706795), (35, 2320110), (39, 2082150), (42, 1933425), (45, 1804530), (50, 1624077), (54, 1503775), (63, 1288950), (65, 1249290), (70, 1160055), (75, 1082718), (78, 1041075), (90, 902265), (91, 892350), (105, 773370), (117, 694050), (126, 644475), (130, 624645), (135, 601510), (150, 541359), (175, 464022), (182, 446175), (189, 429650), (195, 416430), (210, 386685), (225, 360906), (234, 347025), (270, 300755), (273, 297450), (315, 257790), (325, 249858), (350, 232011), (351, 231350), (378, 214825), (390, 208215), (450, 180453), (455, 178470), (525, 154674), (546, 148725), (585, 138810), (630, 128895), (650, 124929), (661, 122850), (675, 120302), (702, 115675), (819, 99150), (910, 89235), (945, 85930), (975, 83286), (1050, 77337), (1170, 69405), (1322, 61425), (1350, 60151), (1365, 59490), (1575, 51558), (1638, 49575), (1755, 46270), (1890, 42965), (1950, 41643), (1983, 40950), (2275, 35694), (2457, 33050), (2730, 29745), (2925, 27762), (3150, 25779), (3305, 24570), (3510, 23135), (3966, 20475), (4095, 19830), (4550, 17847), (4627, 17550), (4725, 17186), (4914, 16525), (5850, 13881), (5949, 13650), (6610, 12285), (6825, 11898), (8190, 9915), (8593, 9450), (8775, 9254)]