15659420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:100

約数の個数: 108

約数和(自身を含む): 41703480

約数和(自身を除く): 26044060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 49, 58, 70, 76, 95, 98, 116, 133, 140, 145, 190, 196, 203, 245, 266, 290, 380, 406, 490, 532, 551, 580, 665, 812, 841, 931, 980, 1015, 1102, 1330, 1421, 1682, 1862, 2030, 2204, 2660, 2755, 2842, 3364, 3724, 3857, 4060, 4205, 4655, 5510, 5684, 5887, 7105, 7714, 8410, 9310, 11020, 11774, 14210, 15428, 15979, 16820, 18620, 19285, 23548, 26999, 28420, 29435, 31958, 38570, 41209, 53998, 58870, 63916, 77140, 79895, 82418, 107996, 111853, 117740, 134995, 159790, 164836, 206045, 223706, 269990, 319580, 412090, 447412, 539980, 559265, 782971, 824180, 1118530, 1565942, 2237060, 3131884, 3914855, 7829710, 15659420]

約数ペア:

[(1, 15659420), (2, 7829710), (4, 3914855), (5, 3131884), (7, 2237060), (10, 1565942), (14, 1118530), (19, 824180), (20, 782971), (28, 559265), (29, 539980), (35, 447412), (38, 412090), (49, 319580), (58, 269990), (70, 223706), (76, 206045), (95, 164836), (98, 159790), (116, 134995), (133, 117740), (140, 111853), (145, 107996), (190, 82418), (196, 79895), (203, 77140), (245, 63916), (266, 58870), (290, 53998), (380, 41209), (406, 38570), (490, 31958), (532, 29435), (551, 28420), (580, 26999), (665, 23548), (812, 19285), (841, 18620), (931, 16820), (980, 15979), (1015, 15428), (1102, 14210), (1330, 11774), (1421, 11020), (1682, 9310), (1862, 8410), (2030, 7714), (2204, 7105), (2660, 5887), (2755, 5684), (2842, 5510), (3364, 4655), (3724, 4205), (3857, 4060)]