255942540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10691}}^1$

素因数の和:10732

約数の個数: 144

約数和(自身を含む): 934053120

約数和(自身を除く): 678110580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 10691, 11970, 21382, 23940, 32073, 42764, 53455, 64146, 74837, 96219, 106910, 128292, 149674, 160365, 192438, 203129, 213820, 224511, 299348, 320730, 374185, 384876, 406258, 449022, 481095, 609387, 641460, 673533, 748370, 812516, 898044, 962190, 1015645, 1122555, 1218774, 1347066, 1421903, 1496740, 1828161, 1924380, 2031290, 2245110, 2437548, 2694132, 2843806, 3046935, 3367665, 3656322, 4062580, 4265709, 4490220, 5687612, 6093870, 6735330, 7109515, 7312644, 8531418, 9140805, 12187740, 12797127, 13470660, 14219030, 17062836, 18281610, 21328545, 25594254, 28438060, 36563220, 42657090, 51188508, 63985635, 85314180, 127971270, 255942540]

約数ペア:

[(1, 255942540), (2, 127971270), (3, 85314180), (4, 63985635), (5, 51188508), (6, 42657090), (7, 36563220), (9, 28438060), (10, 25594254), (12, 21328545), (14, 18281610), (15, 17062836), (18, 14219030), (19, 13470660), (20, 12797127), (21, 12187740), (28, 9140805), (30, 8531418), (35, 7312644), (36, 7109515), (38, 6735330), (42, 6093870), (45, 5687612), (57, 4490220), (60, 4265709), (63, 4062580), (70, 3656322), (76, 3367665), (84, 3046935), (90, 2843806), (95, 2694132), (105, 2437548), (114, 2245110), (126, 2031290), (133, 1924380), (140, 1828161), (171, 1496740), (180, 1421903), (190, 1347066), (210, 1218774), (228, 1122555), (252, 1015645), (266, 962190), (285, 898044), (315, 812516), (342, 748370), (380, 673533), (399, 641460), (420, 609387), (532, 481095), (570, 449022), (630, 406258), (665, 384876), (684, 374185), (798, 320730), (855, 299348), (1140, 224511), (1197, 213820), (1260, 203129), (1330, 192438), (1596, 160365), (1710, 149674), (1995, 128292), (2394, 106910), (2660, 96219), (3420, 74837), (3990, 64146), (4788, 53455), (5985, 42764), (7980, 32073), (10691, 23940), (11970, 21382)]