179964040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{691}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 430479360

約数和(自身を除く): 250515320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 691, 766, 1382, 1532, 1915, 2764, 3064, 3455, 3830, 5528, 6511, 6910, 7660, 11747, 13022, 13820, 15320, 23494, 26044, 27640, 32555, 46988, 52088, 58735, 65110, 93976, 117470, 130220, 234940, 260440, 264653, 469880, 529306, 1058612, 1323265, 2117224, 2646530, 4499101, 5293060, 8998202, 10586120, 17996404, 22495505, 35992808, 44991010, 89982020, 179964040]

約数ペア:

[(1, 179964040), (2, 89982020), (4, 44991010), (5, 35992808), (8, 22495505), (10, 17996404), (17, 10586120), (20, 8998202), (34, 5293060), (40, 4499101), (68, 2646530), (85, 2117224), (136, 1323265), (170, 1058612), (340, 529306), (383, 469880), (680, 264653), (691, 260440), (766, 234940), (1382, 130220), (1532, 117470), (1915, 93976), (2764, 65110), (3064, 58735), (3455, 52088), (3830, 46988), (5528, 32555), (6511, 27640), (6910, 26044), (7660, 23494), (11747, 15320), (13022, 13820)]