108150420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257501}}^1$

素因数の和:257520

約数の個数: 48

約数和(自身を含む): 346082688

約数和(自身を除く): 237932268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 257501, 515002, 772503, 1030004, 1287505, 1545006, 1802507, 2575010, 3090012, 3605014, 3862515, 5150020, 5407521, 7210028, 7725030, 9012535, 10815042, 15450060, 18025070, 21630084, 27037605, 36050140, 54075210, 108150420]

約数ペア:

[(1, 108150420), (2, 54075210), (3, 36050140), (4, 27037605), (5, 21630084), (6, 18025070), (7, 15450060), (10, 10815042), (12, 9012535), (14, 7725030), (15, 7210028), (20, 5407521), (21, 5150020), (28, 3862515), (30, 3605014), (35, 3090012), (42, 2575010), (60, 1802507), (70, 1545006), (84, 1287505), (105, 1030004), (140, 772503), (210, 515002), (420, 257501)]