280053345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{953}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 530820864

約数和(自身を除く): 250767519

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 137, 143, 165, 195, 411, 429, 685, 715, 953, 1507, 1781, 2055, 2145, 2859, 4521, 4765, 5343, 7535, 8905, 10483, 12389, 14295, 19591, 22605, 26715, 31449, 37167, 52415, 58773, 61945, 97955, 130561, 136279, 157245, 185835, 293865, 391683, 408837, 652805, 681395, 1436171, 1697293, 1958415, 2044185, 4308513, 5091879, 7180855, 8486465, 18670223, 21542565, 25459395, 56010669, 93351115, 280053345]

約数ペア:

[(1, 280053345), (3, 93351115), (5, 56010669), (11, 25459395), (13, 21542565), (15, 18670223), (33, 8486465), (39, 7180855), (55, 5091879), (65, 4308513), (137, 2044185), (143, 1958415), (165, 1697293), (195, 1436171), (411, 681395), (429, 652805), (685, 408837), (715, 391683), (953, 293865), (1507, 185835), (1781, 157245), (2055, 136279), (2145, 130561), (2859, 97955), (4521, 61945), (4765, 58773), (5343, 52415), (7535, 37167), (8905, 31449), (10483, 26715), (12389, 22605), (14295, 19591)]