84771520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15583}}^1$

素因数の和:15617

約数の個数: 56

約数和(自身を含む): 213750144

約数和(自身を除く): 128978624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 15583, 31166, 62332, 77915, 124664, 155830, 249328, 264911, 311660, 498656, 529822, 623320, 997312, 1059644, 1246640, 1324555, 2119288, 2493280, 2649110, 4238576, 4986560, 5298220, 8477152, 10596440, 16954304, 21192880, 42385760, 84771520]

約数ペア:

[(1, 84771520), (2, 42385760), (4, 21192880), (5, 16954304), (8, 10596440), (10, 8477152), (16, 5298220), (17, 4986560), (20, 4238576), (32, 2649110), (34, 2493280), (40, 2119288), (64, 1324555), (68, 1246640), (80, 1059644), (85, 997312), (136, 623320), (160, 529822), (170, 498656), (272, 311660), (320, 264911), (340, 249328), (544, 155830), (680, 124664), (1088, 77915), (1360, 62332), (2720, 31166), (5440, 15583)]