2542540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 7225344

約数和(自身を除く): 4682804

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 127, 130, 140, 143, 154, 182, 220, 254, 260, 286, 308, 364, 385, 455, 508, 572, 635, 715, 770, 889, 910, 1001, 1270, 1397, 1430, 1540, 1651, 1778, 1820, 2002, 2540, 2794, 2860, 3302, 3556, 4004, 4445, 5005, 5588, 6604, 6985, 8255, 8890, 9779, 10010, 11557, 13970, 16510, 17780, 18161, 19558, 20020, 23114, 27940, 33020, 36322, 39116, 46228, 48895, 57785, 72644, 90805, 97790, 115570, 127127, 181610, 195580, 231140, 254254, 363220, 508508, 635635, 1271270, 2542540]

約数ペア:

[(1, 2542540), (2, 1271270), (4, 635635), (5, 508508), (7, 363220), (10, 254254), (11, 231140), (13, 195580), (14, 181610), (20, 127127), (22, 115570), (26, 97790), (28, 90805), (35, 72644), (44, 57785), (52, 48895), (55, 46228), (65, 39116), (70, 36322), (77, 33020), (91, 27940), (110, 23114), (127, 20020), (130, 19558), (140, 18161), (143, 17780), (154, 16510), (182, 13970), (220, 11557), (254, 10010), (260, 9779), (286, 8890), (308, 8255), (364, 6985), (385, 6604), (455, 5588), (508, 5005), (572, 4445), (635, 4004), (715, 3556), (770, 3302), (889, 2860), (910, 2794), (1001, 2540), (1270, 2002), (1397, 1820), (1430, 1778), (1540, 1651)]