2011981125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1276

約数の個数: 128

約数和(自身を含む): 4248391680

約数和(自身を除く): 2236410555

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 59, 75, 77, 105, 125, 165, 175, 177, 231, 275, 295, 375, 385, 413, 525, 649, 825, 875, 885, 1155, 1181, 1239, 1375, 1475, 1925, 1947, 2065, 2625, 3245, 3543, 4125, 4425, 4543, 5775, 5905, 6195, 7375, 8267, 9625, 9735, 10325, 12991, 13629, 16225, 17715, 22125, 22715, 24801, 28875, 29525, 30975, 38973, 41335, 48675, 51625, 64955, 68145, 69679, 81125, 88575, 90937, 113575, 124005, 147625, 154875, 194865, 206675, 209037, 243375, 272811, 324775, 340725, 348395, 442875, 454685, 487753, 567875, 620025, 766469, 974325, 1033375, 1045185, 1364055, 1463259, 1623875, 1703625, 1741975, 2273425, 2299407, 2438765, 3100125, 3832345, 4871625, 5225925, 5365283, 6820275, 7316295, 8709875, 11367125, 11497035, 12193825, 16095849, 19161725, 26129625, 26826415, 34101375, 36581475, 57485175, 60969125, 80479245, 95808625, 134132075, 182907375, 287425875, 402396225, 670660375, 2011981125]

約数ペア:

[(1, 2011981125), (3, 670660375), (5, 402396225), (7, 287425875), (11, 182907375), (15, 134132075), (21, 95808625), (25, 80479245), (33, 60969125), (35, 57485175), (55, 36581475), (59, 34101375), (75, 26826415), (77, 26129625), (105, 19161725), (125, 16095849), (165, 12193825), (175, 11497035), (177, 11367125), (231, 8709875), (275, 7316295), (295, 6820275), (375, 5365283), (385, 5225925), (413, 4871625), (525, 3832345), (649, 3100125), (825, 2438765), (875, 2299407), (885, 2273425), (1155, 1741975), (1181, 1703625), (1239, 1623875), (1375, 1463259), (1475, 1364055), (1925, 1045185), (1947, 1033375), (2065, 974325), (2625, 766469), (3245, 620025), (3543, 567875), (4125, 487753), (4425, 454685), (4543, 442875), (5775, 348395), (5905, 340725), (6195, 324775), (7375, 272811), (8267, 243375), (9625, 209037), (9735, 206675), (10325, 194865), (12991, 154875), (13629, 147625), (16225, 124005), (17715, 113575), (22125, 90937), (22715, 88575), (24801, 81125), (28875, 69679), (29525, 68145), (30975, 64955), (38973, 51625), (41335, 48675)]