79720140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78157}}^1$

素因数の和:78186

約数の個数: 48

約数和(自身を含む): 236349792

約数和(自身を除く): 156629652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 78157, 156314, 234471, 312628, 390785, 468942, 781570, 937884, 1172355, 1328669, 1563140, 2344710, 2657338, 3986007, 4689420, 5314676, 6643345, 7972014, 13286690, 15944028, 19930035, 26573380, 39860070, 79720140]

約数ペア:

[(1, 79720140), (2, 39860070), (3, 26573380), (4, 19930035), (5, 15944028), (6, 13286690), (10, 7972014), (12, 6643345), (15, 5314676), (17, 4689420), (20, 3986007), (30, 2657338), (34, 2344710), (51, 1563140), (60, 1328669), (68, 1172355), (85, 937884), (102, 781570), (170, 468942), (204, 390785), (255, 312628), (340, 234471), (510, 156314), (1020, 78157)]