223121920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{12451}}^1$

素因数の和:12481

約数の個数: 80

約数和(自身を含む): 611443008

約数和(自身を除く): 388321088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 12451, 17920, 24902, 49804, 62255, 87157, 99608, 124510, 174314, 199216, 249020, 348628, 398432, 435785, 498040, 697256, 796864, 871570, 996080, 1394512, 1593728, 1743140, 1992160, 2789024, 3187456, 3486280, 3984320, 5578048, 6374912, 6972560, 7968640, 11156096, 13945120, 15937280, 22312192, 27890240, 31874560, 44624384, 55780480, 111560960, 223121920]

約数ペア:

[(1, 223121920), (2, 111560960), (4, 55780480), (5, 44624384), (7, 31874560), (8, 27890240), (10, 22312192), (14, 15937280), (16, 13945120), (20, 11156096), (28, 7968640), (32, 6972560), (35, 6374912), (40, 5578048), (56, 3984320), (64, 3486280), (70, 3187456), (80, 2789024), (112, 1992160), (128, 1743140), (140, 1593728), (160, 1394512), (224, 996080), (256, 871570), (280, 796864), (320, 697256), (448, 498040), (512, 435785), (560, 398432), (640, 348628), (896, 249020), (1120, 199216), (1280, 174314), (1792, 124510), (2240, 99608), (2560, 87157), (3584, 62255), (4480, 49804), (8960, 24902), (12451, 17920)]