61430320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{15671}}^1$

素因数の和:15698

約数の個数: 60

約数和(自身を含む): 166154544

約数和(自身を除く): 104724224

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, 15671, 31342, 62684, 78355, 109697, 125368, 156710, 219394, 250736, 313420, 438788, 548485, 626840, 767879, 877576, 1096970, 1253680, 1535758, 1755152, 2193940, 3071516, 3839395, 4387880, 6143032, 7678790, 8775760, 12286064, 15357580, 30715160, 61430320]

約数ペア:

[(1, 61430320), (2, 30715160), (4, 15357580), (5, 12286064), (7, 8775760), (8, 7678790), (10, 6143032), (14, 4387880), (16, 3839395), (20, 3071516), (28, 2193940), (35, 1755152), (40, 1535758), (49, 1253680), (56, 1096970), (70, 877576), (80, 767879), (98, 626840), (112, 548485), (140, 438788), (196, 313420), (245, 250736), (280, 219394), (392, 156710), (490, 125368), (560, 109697), (784, 78355), (980, 62684), (1960, 31342), (3920, 15671)]