128466780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164701}}^1$

素因数の和:164726

約数の個数: 48

約数和(自身を含む): 387379104

約数和(自身を除く): 258912324

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, 164701, 329402, 494103, 658804, 823505, 988206, 1647010, 1976412, 2141113, 2470515, 3294020, 4282226, 4941030, 6423339, 8564452, 9882060, 10705565, 12846678, 21411130, 25693356, 32116695, 42822260, 64233390, 128466780]

約数ペア:

[(1, 128466780), (2, 64233390), (3, 42822260), (4, 32116695), (5, 25693356), (6, 21411130), (10, 12846678), (12, 10705565), (13, 9882060), (15, 8564452), (20, 6423339), (26, 4941030), (30, 4282226), (39, 3294020), (52, 2470515), (60, 2141113), (65, 1976412), (78, 1647010), (130, 988206), (156, 823505), (195, 658804), (260, 494103), (390, 329402), (780, 164701)]