47765960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 120657600

約数和(自身を除く): 72891640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 121, 139, 142, 220, 242, 278, 284, 355, 440, 484, 556, 568, 605, 695, 710, 781, 968, 1112, 1210, 1390, 1420, 1529, 1562, 2420, 2780, 2840, 3058, 3124, 3905, 4840, 5560, 6116, 6248, 7645, 7810, 8591, 9869, 12232, 15290, 15620, 16819, 17182, 19738, 30580, 31240, 33638, 34364, 39476, 42955, 49345, 61160, 67276, 68728, 78952, 84095, 85910, 98690, 108559, 134552, 168190, 171820, 197380, 217118, 336380, 343640, 394760, 434236, 542795, 672760, 868472, 1085590, 1194149, 2171180, 2388298, 4342360, 4776596, 5970745, 9553192, 11941490, 23882980, 47765960]

約数ペア:

[(1, 47765960), (2, 23882980), (4, 11941490), (5, 9553192), (8, 5970745), (10, 4776596), (11, 4342360), (20, 2388298), (22, 2171180), (40, 1194149), (44, 1085590), (55, 868472), (71, 672760), (88, 542795), (110, 434236), (121, 394760), (139, 343640), (142, 336380), (220, 217118), (242, 197380), (278, 171820), (284, 168190), (355, 134552), (440, 108559), (484, 98690), (556, 85910), (568, 84095), (605, 78952), (695, 68728), (710, 67276), (781, 61160), (968, 49345), (1112, 42955), (1210, 39476), (1390, 34364), (1420, 33638), (1529, 31240), (1562, 30580), (2420, 19738), (2780, 17182), (2840, 16819), (3058, 15620), (3124, 15290), (3905, 12232), (4840, 9869), (5560, 8591), (6116, 7810), (6248, 7645)]