83378960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{148891}}^1$

素因数の和:148911

約数の個数: 40

約数和(自身を含む): 221551296

約数和(自身を除く): 138172336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 148891, 297782, 595564, 744455, 1042237, 1191128, 1488910, 2084474, 2382256, 2977820, 4168948, 5211185, 5955640, 8337896, 10422370, 11911280, 16675792, 20844740, 41689480, 83378960]

約数ペア:

[(1, 83378960), (2, 41689480), (4, 20844740), (5, 16675792), (7, 11911280), (8, 10422370), (10, 8337896), (14, 5955640), (16, 5211185), (20, 4168948), (28, 2977820), (35, 2382256), (40, 2084474), (56, 1488910), (70, 1191128), (80, 1042237), (112, 744455), (140, 595564), (280, 297782), (560, 148891)]