80330320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2141}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 216736128

約数和(自身を除く): 136405808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 2141, 2345, 2680, 3752, 4282, 4690, 5360, 7504, 8564, 9380, 10705, 14987, 17128, 18760, 21410, 29974, 34256, 37520, 42820, 59948, 74935, 85640, 119896, 143447, 149870, 171280, 239792, 286894, 299740, 573788, 599480, 717235, 1004129, 1147576, 1198960, 1434470, 2008258, 2295152, 2868940, 4016516, 5020645, 5737880, 8033032, 10041290, 11475760, 16066064, 20082580, 40165160, 80330320]

約数ペア:

[(1, 80330320), (2, 40165160), (4, 20082580), (5, 16066064), (7, 11475760), (8, 10041290), (10, 8033032), (14, 5737880), (16, 5020645), (20, 4016516), (28, 2868940), (35, 2295152), (40, 2008258), (56, 1434470), (67, 1198960), (70, 1147576), (80, 1004129), (112, 717235), (134, 599480), (140, 573788), (268, 299740), (280, 286894), (335, 239792), (469, 171280), (536, 149870), (560, 143447), (670, 119896), (938, 85640), (1072, 74935), (1340, 59948), (1876, 42820), (2141, 37520), (2345, 34256), (2680, 29974), (3752, 21410), (4282, 18760), (4690, 17128), (5360, 14987), (7504, 10705), (8564, 9380)]