90540972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2619

約数の個数: 72

約数和(自身を含む): 244468224

約数和(自身を除く): 153927252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 828, 989, 1548, 1978, 2543, 2967, 3956, 5086, 5934, 7629, 8901, 10172, 11868, 15258, 17802, 22887, 30516, 35604, 45774, 58489, 91548, 109349, 116978, 175467, 218698, 233956, 328047, 350934, 437396, 526401, 656094, 701868, 984141, 1052802, 1312188, 1968282, 2105604, 2515027, 3936564, 5030054, 7545081, 10060108, 15090162, 22635243, 30180324, 45270486, 90540972]

約数ペア:

[(1, 90540972), (2, 45270486), (3, 30180324), (4, 22635243), (6, 15090162), (9, 10060108), (12, 7545081), (18, 5030054), (23, 3936564), (36, 2515027), (43, 2105604), (46, 1968282), (69, 1312188), (86, 1052802), (92, 984141), (129, 701868), (138, 656094), (172, 526401), (207, 437396), (258, 350934), (276, 328047), (387, 233956), (414, 218698), (516, 175467), (774, 116978), (828, 109349), (989, 91548), (1548, 58489), (1978, 45774), (2543, 35604), (2967, 30516), (3956, 22887), (5086, 17802), (5934, 15258), (7629, 11868), (8901, 10172)]