31498040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 86952960

約数和(自身を除く): 55454920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 67, 70, 73, 92, 115, 134, 140, 146, 161, 184, 230, 268, 280, 292, 322, 335, 365, 460, 469, 511, 536, 584, 644, 670, 730, 805, 920, 938, 1022, 1288, 1340, 1460, 1541, 1610, 1679, 1876, 2044, 2345, 2555, 2680, 2920, 3082, 3220, 3358, 3752, 4088, 4690, 4891, 5110, 6164, 6440, 6716, 7705, 8395, 9380, 9782, 10220, 10787, 11753, 12328, 13432, 15410, 16790, 18760, 19564, 20440, 21574, 23506, 24455, 30820, 33580, 34237, 39128, 43148, 47012, 48910, 53935, 58765, 61640, 67160, 68474, 86296, 94024, 97820, 107870, 112493, 117530, 136948, 171185, 195640, 215740, 224986, 235060, 273896, 342370, 431480, 449972, 470120, 562465, 684740, 787451, 899944, 1124930, 1369480, 1574902, 2249860, 3149804, 3937255, 4499720, 6299608, 7874510, 15749020, 31498040]

約数ペア:

[(1, 31498040), (2, 15749020), (4, 7874510), (5, 6299608), (7, 4499720), (8, 3937255), (10, 3149804), (14, 2249860), (20, 1574902), (23, 1369480), (28, 1124930), (35, 899944), (40, 787451), (46, 684740), (56, 562465), (67, 470120), (70, 449972), (73, 431480), (92, 342370), (115, 273896), (134, 235060), (140, 224986), (146, 215740), (161, 195640), (184, 171185), (230, 136948), (268, 117530), (280, 112493), (292, 107870), (322, 97820), (335, 94024), (365, 86296), (460, 68474), (469, 67160), (511, 61640), (536, 58765), (584, 53935), (644, 48910), (670, 47012), (730, 43148), (805, 39128), (920, 34237), (938, 33580), (1022, 30820), (1288, 24455), (1340, 23506), (1460, 21574), (1541, 20440), (1610, 19564), (1679, 18760), (1876, 16790), (2044, 15410), (2345, 13432), (2555, 12328), (2680, 11753), (2920, 10787), (3082, 10220), (3220, 9782), (3358, 9380), (3752, 8395), (4088, 7705), (4690, 6716), (4891, 6440), (5110, 6164)]