138156780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{29147}}^1$

素因数の和:29238

約数の個数: 48

約数和(自身を含む): 391749120

約数和(自身を除く): 253592340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 29147, 58294, 87441, 116588, 145735, 174882, 291470, 349764, 437205, 582940, 874410, 1748820, 2302613, 4605226, 6907839, 9210452, 11513065, 13815678, 23026130, 27631356, 34539195, 46052260, 69078390, 138156780]

約数ペア:

[(1, 138156780), (2, 69078390), (3, 46052260), (4, 34539195), (5, 27631356), (6, 23026130), (10, 13815678), (12, 11513065), (15, 9210452), (20, 6907839), (30, 4605226), (60, 2302613), (79, 1748820), (158, 874410), (237, 582940), (316, 437205), (395, 349764), (474, 291470), (790, 174882), (948, 145735), (1185, 116588), (1580, 87441), (2370, 58294), (4740, 29147)]