201716580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258611}}^1$

素因数の和:258636

約数の個数: 48

約数和(自身を含む): 608255424

約数和(自身を除く): 406538844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 258611, 517222, 775833, 1034444, 1293055, 1551666, 2586110, 3103332, 3361943, 3879165, 5172220, 6723886, 7758330, 10085829, 13447772, 15516660, 16809715, 20171658, 33619430, 40343316, 50429145, 67238860, 100858290, 201716580]

約数ペア:

[(1, 201716580), (2, 100858290), (3, 67238860), (4, 50429145), (5, 40343316), (6, 33619430), (10, 20171658), (12, 16809715), (13, 15516660), (15, 13447772), (20, 10085829), (26, 7758330), (30, 6723886), (39, 5172220), (52, 3879165), (60, 3361943), (65, 3103332), (78, 2586110), (130, 1551666), (156, 1293055), (195, 1034444), (260, 775833), (390, 517222), (780, 258611)]