90339990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5387}}^1$

素因数の和:5453

約数の個数: 64

約数和(自身を含む): 238968576

約数和(自身を除く): 148628586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 5387, 5590, 8385, 10774, 16161, 16770, 26935, 32322, 53870, 70031, 80805, 140062, 161610, 210093, 231641, 350155, 420186, 463282, 694923, 700310, 1050465, 1158205, 1389846, 2100930, 2316410, 3011333, 3474615, 6022666, 6949230, 9033999, 15056665, 18067998, 30113330, 45169995, 90339990]

約数ペア:

[(1, 90339990), (2, 45169995), (3, 30113330), (5, 18067998), (6, 15056665), (10, 9033999), (13, 6949230), (15, 6022666), (26, 3474615), (30, 3011333), (39, 2316410), (43, 2100930), (65, 1389846), (78, 1158205), (86, 1050465), (129, 700310), (130, 694923), (195, 463282), (215, 420186), (258, 350155), (390, 231641), (430, 210093), (559, 161610), (645, 140062), (1118, 80805), (1290, 70031), (1677, 53870), (2795, 32322), (3354, 26935), (5387, 16770), (5590, 16161), (8385, 10774)]