31377920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 91922688

約数和(自身を除く): 60544768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 103, 112, 119, 128, 136, 140, 160, 170, 206, 224, 238, 256, 272, 280, 320, 340, 412, 448, 476, 512, 515, 544, 560, 595, 640, 680, 721, 824, 896, 952, 1030, 1088, 1120, 1190, 1280, 1360, 1442, 1648, 1751, 1792, 1904, 2060, 2176, 2240, 2380, 2560, 2720, 2884, 3296, 3502, 3584, 3605, 3808, 4120, 4352, 4480, 4760, 5440, 5768, 6592, 7004, 7210, 7616, 8240, 8704, 8755, 8960, 9520, 10880, 11536, 12257, 13184, 14008, 14420, 15232, 16480, 17510, 17920, 19040, 21760, 23072, 24514, 26368, 28016, 28840, 30464, 32960, 35020, 38080, 43520, 46144, 49028, 52736, 56032, 57680, 60928, 61285, 65920, 70040, 76160, 92288, 98056, 112064, 115360, 122570, 131840, 140080, 152320, 184576, 196112, 224128, 230720, 245140, 263680, 280160, 304640, 369152, 392224, 448256, 461440, 490280, 560320, 784448, 896512, 922880, 980560, 1120640, 1568896, 1845760, 1961120, 2241280, 3137792, 3922240, 4482560, 6275584, 7844480, 15688960, 31377920]

約数ペア:

[(1, 31377920), (2, 15688960), (4, 7844480), (5, 6275584), (7, 4482560), (8, 3922240), (10, 3137792), (14, 2241280), (16, 1961120), (17, 1845760), (20, 1568896), (28, 1120640), (32, 980560), (34, 922880), (35, 896512), (40, 784448), (56, 560320), (64, 490280), (68, 461440), (70, 448256), (80, 392224), (85, 369152), (103, 304640), (112, 280160), (119, 263680), (128, 245140), (136, 230720), (140, 224128), (160, 196112), (170, 184576), (206, 152320), (224, 140080), (238, 131840), (256, 122570), (272, 115360), (280, 112064), (320, 98056), (340, 92288), (412, 76160), (448, 70040), (476, 65920), (512, 61285), (515, 60928), (544, 57680), (560, 56032), (595, 52736), (640, 49028), (680, 46144), (721, 43520), (824, 38080), (896, 35020), (952, 32960), (1030, 30464), (1088, 28840), (1120, 28016), (1190, 26368), (1280, 24514), (1360, 23072), (1442, 21760), (1648, 19040), (1751, 17920), (1792, 17510), (1904, 16480), (2060, 15232), (2176, 14420), (2240, 14008), (2380, 13184), (2560, 12257), (2720, 11536), (2884, 10880), (3296, 9520), (3502, 8960), (3584, 8755), (3605, 8704), (3808, 8240), (4120, 7616), (4352, 7210), (4480, 7004), (4760, 6592), (5440, 5768)]