74280080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2707}}^1$

素因数の和:2741

約数の個数: 80

約数和(自身を含む): 201475200

約数和(自身を除く): 127195120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2707, 2744, 3430, 3920, 5414, 5488, 6860, 10828, 13535, 13720, 18949, 21656, 27070, 27440, 37898, 43312, 54140, 75796, 94745, 108280, 132643, 151592, 189490, 216560, 265286, 303184, 378980, 530572, 663215, 757960, 928501, 1061144, 1326430, 1515920, 1857002, 2122288, 2652860, 3714004, 4642505, 5305720, 7428008, 9285010, 10611440, 14856016, 18570020, 37140040, 74280080]

約数ペア:

[(1, 74280080), (2, 37140040), (4, 18570020), (5, 14856016), (7, 10611440), (8, 9285010), (10, 7428008), (14, 5305720), (16, 4642505), (20, 3714004), (28, 2652860), (35, 2122288), (40, 1857002), (49, 1515920), (56, 1326430), (70, 1061144), (80, 928501), (98, 757960), (112, 663215), (140, 530572), (196, 378980), (245, 303184), (280, 265286), (343, 216560), (392, 189490), (490, 151592), (560, 132643), (686, 108280), (784, 94745), (980, 75796), (1372, 54140), (1715, 43312), (1960, 37898), (2707, 27440), (2744, 27070), (3430, 21656), (3920, 18949), (5414, 13720), (5488, 13535), (6860, 10828)]