128108120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14759}}^1$

素因数の和:14808

約数の個数: 64

約数和(自身を含む): 340070400

約数和(自身を除く): 211962280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 14759, 29518, 59036, 73795, 103313, 118072, 147590, 206626, 295180, 413252, 457529, 516565, 590360, 826504, 915058, 1033130, 1830116, 2066260, 2287645, 3202703, 3660232, 4132520, 4575290, 6405406, 9150580, 12810812, 16013515, 18301160, 25621624, 32027030, 64054060, 128108120]

約数ペア:

[(1, 128108120), (2, 64054060), (4, 32027030), (5, 25621624), (7, 18301160), (8, 16013515), (10, 12810812), (14, 9150580), (20, 6405406), (28, 4575290), (31, 4132520), (35, 3660232), (40, 3202703), (56, 2287645), (62, 2066260), (70, 1830116), (124, 1033130), (140, 915058), (155, 826504), (217, 590360), (248, 516565), (280, 457529), (310, 413252), (434, 295180), (620, 206626), (868, 147590), (1085, 118072), (1240, 103313), (1736, 73795), (2170, 59036), (4340, 29518), (8680, 14759)]