405270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 1152000

約数和(自身を除く): 746730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 79, 90, 95, 114, 135, 158, 171, 190, 237, 270, 285, 342, 395, 474, 513, 570, 711, 790, 855, 1026, 1185, 1422, 1501, 1710, 2133, 2370, 2565, 3002, 3555, 4266, 4503, 5130, 7110, 7505, 9006, 10665, 13509, 15010, 21330, 22515, 27018, 40527, 45030, 67545, 81054, 135090, 202635, 405270]

約数ペア:

[(1, 405270), (2, 202635), (3, 135090), (5, 81054), (6, 67545), (9, 45030), (10, 40527), (15, 27018), (18, 22515), (19, 21330), (27, 15010), (30, 13509), (38, 10665), (45, 9006), (54, 7505), (57, 7110), (79, 5130), (90, 4503), (95, 4266), (114, 3555), (135, 3002), (158, 2565), (171, 2370), (190, 2133), (237, 1710), (270, 1501), (285, 1422), (342, 1185), (395, 1026), (474, 855), (513, 790), (570, 711)]