245487180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67073}}^1$

素因数の和:67146

約数の個数: 48

約数和(自身を含む): 698642784

約数和(自身を除く): 453155604

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, 67073, 134146, 201219, 268292, 335365, 402438, 670730, 804876, 1006095, 1341460, 2012190, 4024380, 4091453, 8182906, 12274359, 16365812, 20457265, 24548718, 40914530, 49097436, 61371795, 81829060, 122743590, 245487180]

約数ペア:

[(1, 245487180), (2, 122743590), (3, 81829060), (4, 61371795), (5, 49097436), (6, 40914530), (10, 24548718), (12, 20457265), (15, 16365812), (20, 12274359), (30, 8182906), (60, 4091453), (61, 4024380), (122, 2012190), (183, 1341460), (244, 1006095), (305, 804876), (366, 670730), (610, 402438), (732, 335365), (915, 268292), (1220, 201219), (1830, 134146), (3660, 67073)]