78681280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12941}}^1$

素因数の和:12977

約数の個数: 56

約数和(自身を含む): 197236080

約数和(自身を除く): 118554800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 12941, 25882, 51764, 64705, 103528, 129410, 207056, 245879, 258820, 414112, 491758, 517640, 828224, 983516, 1035280, 1229395, 1967032, 2070560, 2458790, 3934064, 4141120, 4917580, 7868128, 9835160, 15736256, 19670320, 39340640, 78681280]

約数ペア:

[(1, 78681280), (2, 39340640), (4, 19670320), (5, 15736256), (8, 9835160), (10, 7868128), (16, 4917580), (19, 4141120), (20, 3934064), (32, 2458790), (38, 2070560), (40, 1967032), (64, 1229395), (76, 1035280), (80, 983516), (95, 828224), (152, 517640), (160, 491758), (190, 414112), (304, 258820), (320, 245879), (380, 207056), (608, 129410), (760, 103528), (1216, 64705), (1520, 51764), (3040, 25882), (6080, 12941)]