2128831815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{15161}}^1$

素因数の和:15240

約数の個数: 64

約数和(自身を含む): 3982390272

約数和(自身を除く): 1853558457

約数列:

[1, 3, 5, 11, 15, 23, 33, 37, 55, 69, 111, 115, 165, 185, 253, 345, 407, 555, 759, 851, 1221, 1265, 2035, 2553, 3795, 4255, 6105, 9361, 12765, 15161, 28083, 45483, 46805, 75805, 140415, 166771, 227415, 348703, 500313, 560957, 833855, 1046109, 1682871, 1743515, 2501565, 2804785, 3835733, 5230545, 6170527, 8414355, 11507199, 12902011, 18511581, 19178665, 30852635, 38706033, 57535995, 64510055, 92557905, 141922121, 193530165, 425766363, 709610605, 2128831815]

約数ペア:

[(1, 2128831815), (3, 709610605), (5, 425766363), (11, 193530165), (15, 141922121), (23, 92557905), (33, 64510055), (37, 57535995), (55, 38706033), (69, 30852635), (111, 19178665), (115, 18511581), (165, 12902011), (185, 11507199), (253, 8414355), (345, 6170527), (407, 5230545), (555, 3835733), (759, 2804785), (851, 2501565), (1221, 1743515), (1265, 1682871), (2035, 1046109), (2553, 833855), (3795, 560957), (4255, 500313), (6105, 348703), (9361, 227415), (12765, 166771), (15161, 140415), (28083, 75805), (45483, 46805)]