61499960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4259}}^1$

素因数の和:4308

約数の個数: 48

約数和(自身を含む): 146075400

約数和(自身を除く): 84575440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 4259, 7220, 8518, 14440, 17036, 21295, 34072, 42590, 80921, 85180, 161842, 170360, 323684, 404605, 647368, 809210, 1537499, 1618420, 3074998, 3236840, 6149996, 7687495, 12299992, 15374990, 30749980, 61499960]

約数ペア:

[(1, 61499960), (2, 30749980), (4, 15374990), (5, 12299992), (8, 7687495), (10, 6149996), (19, 3236840), (20, 3074998), (38, 1618420), (40, 1537499), (76, 809210), (95, 647368), (152, 404605), (190, 323684), (361, 170360), (380, 161842), (722, 85180), (760, 80921), (1444, 42590), (1805, 34072), (2888, 21295), (3610, 17036), (4259, 14440), (7220, 8518)]