2187280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 5356800

約数和(自身を除く): 3169520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1439, 1520, 2878, 5756, 7195, 11512, 14390, 23024, 27341, 28780, 54682, 57560, 109364, 115120, 136705, 218728, 273410, 437456, 546820, 1093640, 2187280]

約数ペア:

[(1, 2187280), (2, 1093640), (4, 546820), (5, 437456), (8, 273410), (10, 218728), (16, 136705), (19, 115120), (20, 109364), (38, 57560), (40, 54682), (76, 28780), (80, 27341), (95, 23024), (152, 14390), (190, 11512), (304, 7195), (380, 5756), (760, 2878), (1439, 1520)]