80305120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10243}}^1$

素因数の和:10272

約数の個数: 72

約数和(自身を含む): 220717224

約数和(自身を除く): 140412104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 10243, 20486, 40972, 51215, 71701, 81944, 102430, 143402, 163888, 204860, 286804, 327776, 358505, 409720, 501907, 573608, 717010, 819440, 1003814, 1147216, 1434020, 1638880, 2007628, 2294432, 2509535, 2868040, 4015256, 5019070, 5736080, 8030512, 10038140, 11472160, 16061024, 20076280, 40152560, 80305120]

約数ペア:

[(1, 80305120), (2, 40152560), (4, 20076280), (5, 16061024), (7, 11472160), (8, 10038140), (10, 8030512), (14, 5736080), (16, 5019070), (20, 4015256), (28, 2868040), (32, 2509535), (35, 2294432), (40, 2007628), (49, 1638880), (56, 1434020), (70, 1147216), (80, 1003814), (98, 819440), (112, 717010), (140, 573608), (160, 501907), (196, 409720), (224, 358505), (245, 327776), (280, 286804), (392, 204860), (490, 163888), (560, 143402), (784, 102430), (980, 81944), (1120, 71701), (1568, 51215), (1960, 40972), (3920, 20486), (7840, 10243)]