1288960

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 3311280

約数和(自身を除く): 2022320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 128, 152, 160, 190, 212, 256, 265, 304, 320, 380, 424, 530, 608, 640, 760, 848, 1007, 1060, 1216, 1280, 1520, 1696, 2014, 2120, 2432, 3040, 3392, 4028, 4240, 4864, 5035, 6080, 6784, 8056, 8480, 10070, 12160, 13568, 16112, 16960, 20140, 24320, 32224, 33920, 40280, 64448, 67840, 80560, 128896, 161120, 257792, 322240, 644480, 1288960]

約数ペア:

[(1, 1288960), (2, 644480), (4, 322240), (5, 257792), (8, 161120), (10, 128896), (16, 80560), (19, 67840), (20, 64448), (32, 40280), (38, 33920), (40, 32224), (53, 24320), (64, 20140), (76, 16960), (80, 16112), (95, 13568), (106, 12160), (128, 10070), (152, 8480), (160, 8056), (190, 6784), (212, 6080), (256, 5035), (265, 4864), (304, 4240), (320, 4028), (380, 3392), (424, 3040), (530, 2432), (608, 2120), (640, 2014), (760, 1696), (848, 1520), (1007, 1280), (1060, 1216)]