7947450

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{29}}^2$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 25920960

約数和(自身を除く): 17973510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 29, 30, 35, 42, 45, 50, 54, 58, 63, 70, 75, 87, 90, 105, 126, 135, 145, 150, 174, 175, 189, 203, 210, 225, 261, 270, 290, 315, 350, 378, 406, 435, 450, 522, 525, 609, 630, 675, 725, 783, 841, 870, 945, 1015, 1050, 1218, 1305, 1350, 1450, 1566, 1575, 1682, 1827, 1890, 2030, 2175, 2523, 2610, 3045, 3150, 3654, 3915, 4205, 4350, 4725, 5046, 5075, 5481, 5887, 6090, 6525, 7569, 7830, 8410, 9135, 9450, 10150, 10962, 11774, 12615, 13050, 15138, 15225, 17661, 18270, 19575, 21025, 22707, 25230, 27405, 29435, 30450, 35322, 37845, 39150, 42050, 45414, 45675, 52983, 54810, 58870, 63075, 75690, 88305, 91350, 105966, 113535, 126150, 137025, 147175, 158949, 176610, 189225, 227070, 264915, 274050, 294350, 317898, 378450, 441525, 529830, 567675, 794745, 883050, 1135350, 1324575, 1589490, 2649150, 3973725, 7947450]

約数ペア:

[(1, 7947450), (2, 3973725), (3, 2649150), (5, 1589490), (6, 1324575), (7, 1135350), (9, 883050), (10, 794745), (14, 567675), (15, 529830), (18, 441525), (21, 378450), (25, 317898), (27, 294350), (29, 274050), (30, 264915), (35, 227070), (42, 189225), (45, 176610), (50, 158949), (54, 147175), (58, 137025), (63, 126150), (70, 113535), (75, 105966), (87, 91350), (90, 88305), (105, 75690), (126, 63075), (135, 58870), (145, 54810), (150, 52983), (174, 45675), (175, 45414), (189, 42050), (203, 39150), (210, 37845), (225, 35322), (261, 30450), (270, 29435), (290, 27405), (315, 25230), (350, 22707), (378, 21025), (406, 19575), (435, 18270), (450, 17661), (522, 15225), (525, 15138), (609, 13050), (630, 12615), (675, 11774), (725, 10962), (783, 10150), (841, 9450), (870, 9135), (945, 8410), (1015, 7830), (1050, 7569), (1218, 6525), (1305, 6090), (1350, 5887), (1450, 5481), (1566, 5075), (1575, 5046), (1682, 4725), (1827, 4350), (1890, 4205), (2030, 3915), (2175, 3654), (2523, 3150), (2610, 3045)]