261758730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1889}}^1$

素因数の和:2079

約数の個数: 64

約数和(自身を含む): 653184000

約数和(自身を除く): 391425270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 149, 155, 186, 298, 310, 447, 465, 745, 894, 930, 1490, 1889, 2235, 3778, 4470, 4619, 5667, 9238, 9445, 11334, 13857, 18890, 23095, 27714, 28335, 46190, 56670, 58559, 69285, 117118, 138570, 175677, 281461, 292795, 351354, 562922, 585590, 844383, 878385, 1407305, 1688766, 1756770, 2814610, 4221915, 8443830, 8725291, 17450582, 26175873, 43626455, 52351746, 87252910, 130879365, 261758730]

約数ペア:

[(1, 261758730), (2, 130879365), (3, 87252910), (5, 52351746), (6, 43626455), (10, 26175873), (15, 17450582), (30, 8725291), (31, 8443830), (62, 4221915), (93, 2814610), (149, 1756770), (155, 1688766), (186, 1407305), (298, 878385), (310, 844383), (447, 585590), (465, 562922), (745, 351354), (894, 292795), (930, 281461), (1490, 175677), (1889, 138570), (2235, 117118), (3778, 69285), (4470, 58559), (4619, 56670), (5667, 46190), (9238, 28335), (9445, 27714), (11334, 23095), (13857, 18890)]