86987220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23767}}^1$

素因数の和:23840

約数の個数: 48

約数和(自身を含む): 247567488

約数和(自身を除く): 160580268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 23767, 47534, 71301, 95068, 118835, 142602, 237670, 285204, 356505, 475340, 713010, 1426020, 1449787, 2899574, 4349361, 5799148, 7248935, 8698722, 14497870, 17397444, 21746805, 28995740, 43493610, 86987220]

約数ペア:

[(1, 86987220), (2, 43493610), (3, 28995740), (4, 21746805), (5, 17397444), (6, 14497870), (10, 8698722), (12, 7248935), (15, 5799148), (20, 4349361), (30, 2899574), (60, 1449787), (61, 1426020), (122, 713010), (183, 475340), (244, 356505), (305, 285204), (366, 237670), (610, 142602), (732, 118835), (915, 95068), (1220, 71301), (1830, 47534), (3660, 23767)]