205440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 660960

約数和(自身を除く): 455520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 320, 321, 384, 428, 480, 535, 640, 642, 856, 960, 1070, 1284, 1605, 1712, 1920, 2140, 2568, 3210, 3424, 4280, 5136, 6420, 6848, 8560, 10272, 12840, 13696, 17120, 20544, 25680, 34240, 41088, 51360, 68480, 102720, 205440]

約数ペア:

[(1, 205440), (2, 102720), (3, 68480), (4, 51360), (5, 41088), (6, 34240), (8, 25680), (10, 20544), (12, 17120), (15, 13696), (16, 12840), (20, 10272), (24, 8560), (30, 6848), (32, 6420), (40, 5136), (48, 4280), (60, 3424), (64, 3210), (80, 2568), (96, 2140), (107, 1920), (120, 1712), (128, 1605), (160, 1284), (192, 1070), (214, 960), (240, 856), (320, 642), (321, 640), (384, 535), (428, 480)]