15203860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 36812160

約数和(自身を除く): 21608300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 829, 917, 1310, 1658, 1834, 2620, 3316, 3668, 4145, 4585, 5803, 8290, 9170, 11606, 16580, 18340, 23212, 29015, 58030, 108599, 116060, 217198, 434396, 542995, 760193, 1085990, 1520386, 2171980, 3040772, 3800965, 7601930, 15203860]

約数ペア:

[(1, 15203860), (2, 7601930), (4, 3800965), (5, 3040772), (7, 2171980), (10, 1520386), (14, 1085990), (20, 760193), (28, 542995), (35, 434396), (70, 217198), (131, 116060), (140, 108599), (262, 58030), (524, 29015), (655, 23212), (829, 18340), (917, 16580), (1310, 11606), (1658, 9170), (1834, 8290), (2620, 5803), (3316, 4585), (3668, 4145)]