165949840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 442650240

約数和(自身を除く): 276700400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 401, 560, 739, 802, 1478, 1604, 2005, 2807, 2956, 3208, 3695, 4010, 5173, 5614, 5912, 6416, 7390, 8020, 10346, 11228, 11824, 14035, 14780, 16040, 20692, 22456, 25865, 28070, 29560, 32080, 41384, 44912, 51730, 56140, 59120, 82768, 103460, 112280, 206920, 224560, 296339, 413840, 592678, 1185356, 1481695, 2074373, 2370712, 2963390, 4148746, 4741424, 5926780, 8297492, 10371865, 11853560, 16594984, 20743730, 23707120, 33189968, 41487460, 82974920, 165949840]

約数ペア:

[(1, 165949840), (2, 82974920), (4, 41487460), (5, 33189968), (7, 23707120), (8, 20743730), (10, 16594984), (14, 11853560), (16, 10371865), (20, 8297492), (28, 5926780), (35, 4741424), (40, 4148746), (56, 2963390), (70, 2370712), (80, 2074373), (112, 1481695), (140, 1185356), (280, 592678), (401, 413840), (560, 296339), (739, 224560), (802, 206920), (1478, 112280), (1604, 103460), (2005, 82768), (2807, 59120), (2956, 56140), (3208, 51730), (3695, 44912), (4010, 41384), (5173, 32080), (5614, 29560), (5912, 28070), (6416, 25865), (7390, 22456), (8020, 20692), (10346, 16040), (11228, 14780), (11824, 14035)]