76820240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19597}}^1$

素因数の和:19624

約数の個数: 60

約数和(自身を含む): 207777996

約数和(自身を除く): 130957756

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, 392, 490, 560, 784, 980, 1960, 3920, 19597, 39194, 78388, 97985, 137179, 156776, 195970, 274358, 313552, 391940, 548716, 685895, 783880, 960253, 1097432, 1371790, 1567760, 1920506, 2194864, 2743580, 3841012, 4801265, 5487160, 7682024, 9602530, 10974320, 15364048, 19205060, 38410120, 76820240]

約数ペア:

[(1, 76820240), (2, 38410120), (4, 19205060), (5, 15364048), (7, 10974320), (8, 9602530), (10, 7682024), (14, 5487160), (16, 4801265), (20, 3841012), (28, 2743580), (35, 2194864), (40, 1920506), (49, 1567760), (56, 1371790), (70, 1097432), (80, 960253), (98, 783880), (112, 685895), (140, 548716), (196, 391940), (245, 313552), (280, 274358), (392, 195970), (490, 156776), (560, 137179), (784, 97985), (980, 78388), (1960, 39194), (3920, 19597)]