15622180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 24597020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 839, 931, 980, 1330, 1678, 1862, 2660, 3356, 3724, 4195, 4655, 5873, 8390, 9310, 11746, 15941, 16780, 18620, 23492, 29365, 31882, 41111, 58730, 63764, 79705, 82222, 111587, 117460, 159410, 164444, 205555, 223174, 318820, 411110, 446348, 557935, 781109, 822220, 1115870, 1562218, 2231740, 3124436, 3905545, 7811090, 15622180]

約数ペア:

[(1, 15622180), (2, 7811090), (4, 3905545), (5, 3124436), (7, 2231740), (10, 1562218), (14, 1115870), (19, 822220), (20, 781109), (28, 557935), (35, 446348), (38, 411110), (49, 318820), (70, 223174), (76, 205555), (95, 164444), (98, 159410), (133, 117460), (140, 111587), (190, 82222), (196, 79705), (245, 63764), (266, 58730), (380, 41111), (490, 31882), (532, 29365), (665, 23492), (839, 18620), (931, 16780), (980, 15941), (1330, 11746), (1678, 9310), (1862, 8390), (2660, 5873), (3356, 4655), (3724, 4195)]