161949440

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5501}}^1$

素因数の和:5545

約数の個数: 72

約数和(自身を含む): 404859168

約数和(自身を除く): 242909728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5501, 5888, 7360, 11002, 14720, 22004, 27505, 29440, 44008, 55010, 88016, 110020, 126523, 176032, 220040, 253046, 352064, 440080, 506092, 632615, 704128, 880160, 1012184, 1265230, 1408256, 1760320, 2024368, 2530460, 3520640, 4048736, 5060920, 7041280, 8097472, 10121840, 16194944, 20243680, 32389888, 40487360, 80974720, 161949440]

約数ペア:

[(1, 161949440), (2, 80974720), (4, 40487360), (5, 32389888), (8, 20243680), (10, 16194944), (16, 10121840), (20, 8097472), (23, 7041280), (32, 5060920), (40, 4048736), (46, 3520640), (64, 2530460), (80, 2024368), (92, 1760320), (115, 1408256), (128, 1265230), (160, 1012184), (184, 880160), (230, 704128), (256, 632615), (320, 506092), (368, 440080), (460, 352064), (640, 253046), (736, 220040), (920, 176032), (1280, 126523), (1472, 110020), (1840, 88016), (2944, 55010), (3680, 44008), (5501, 29440), (5888, 27505), (7360, 22004), (11002, 14720)]