80645120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 88

約数和(自身を含む): 203881200

約数和(自身を除く): 123236080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 829, 1024, 1216, 1280, 1520, 1658, 2432, 2560, 3040, 3316, 4145, 4864, 5120, 6080, 6632, 8290, 9728, 12160, 13264, 15751, 16580, 19456, 24320, 26528, 31502, 33160, 48640, 53056, 63004, 66320, 78755, 97280, 106112, 126008, 132640, 157510, 212224, 252016, 265280, 315020, 424448, 504032, 530560, 630040, 848896, 1008064, 1061120, 1260080, 2016128, 2122240, 2520160, 4032256, 4244480, 5040320, 8064512, 10080640, 16129024, 20161280, 40322560, 80645120]

約数ペア:

[(1, 80645120), (2, 40322560), (4, 20161280), (5, 16129024), (8, 10080640), (10, 8064512), (16, 5040320), (19, 4244480), (20, 4032256), (32, 2520160), (38, 2122240), (40, 2016128), (64, 1260080), (76, 1061120), (80, 1008064), (95, 848896), (128, 630040), (152, 530560), (160, 504032), (190, 424448), (256, 315020), (304, 265280), (320, 252016), (380, 212224), (512, 157510), (608, 132640), (640, 126008), (760, 106112), (829, 97280), (1024, 78755), (1216, 66320), (1280, 63004), (1520, 53056), (1658, 48640), (2432, 33160), (2560, 31502), (3040, 26528), (3316, 24320), (4145, 19456), (4864, 16580), (5120, 15751), (6080, 13264), (6632, 12160), (8290, 9728)]