64400115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 117863424

約数和(自身を除く): 53463309

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 83, 115, 173, 195, 249, 299, 345, 415, 519, 865, 897, 1079, 1245, 1495, 1909, 2249, 2595, 3237, 3979, 4485, 5395, 5727, 6747, 9545, 11245, 11937, 14359, 16185, 19895, 24817, 28635, 33735, 43077, 51727, 59685, 71795, 74451, 124085, 155181, 186667, 215385, 258635, 330257, 372255, 560001, 775905, 933335, 990771, 1651285, 2800005, 4293341, 4953855, 12880023, 21466705, 64400115]

約数ペア:

[(1, 64400115), (3, 21466705), (5, 12880023), (13, 4953855), (15, 4293341), (23, 2800005), (39, 1651285), (65, 990771), (69, 933335), (83, 775905), (115, 560001), (173, 372255), (195, 330257), (249, 258635), (299, 215385), (345, 186667), (415, 155181), (519, 124085), (865, 74451), (897, 71795), (1079, 59685), (1245, 51727), (1495, 43077), (1909, 33735), (2249, 28635), (2595, 24817), (3237, 19895), (3979, 16185), (4485, 14359), (5395, 11937), (5727, 11245), (6747, 9545)]