31393920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 101787840

約数和(自身を除く): 70393920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 197, 240, 249, 320, 332, 384, 394, 415, 480, 498, 591, 640, 664, 788, 830, 960, 985, 996, 1182, 1245, 1328, 1576, 1660, 1920, 1970, 1992, 2364, 2490, 2656, 2955, 3152, 3320, 3940, 3984, 4728, 4980, 5312, 5910, 6304, 6640, 7880, 7968, 9456, 9960, 10624, 11820, 12608, 13280, 15760, 15936, 16351, 18912, 19920, 23640, 25216, 26560, 31520, 31872, 32702, 37824, 39840, 47280, 49053, 53120, 63040, 65404, 75648, 79680, 81755, 94560, 98106, 126080, 130808, 159360, 163510, 189120, 196212, 245265, 261616, 327020, 378240, 392424, 490530, 523232, 654040, 784848, 981060, 1046464, 1308080, 1569696, 1962120, 2092928, 2616160, 3139392, 3924240, 5232320, 6278784, 7848480, 10464640, 15696960, 31393920]

約数ペア:

[(1, 31393920), (2, 15696960), (3, 10464640), (4, 7848480), (5, 6278784), (6, 5232320), (8, 3924240), (10, 3139392), (12, 2616160), (15, 2092928), (16, 1962120), (20, 1569696), (24, 1308080), (30, 1046464), (32, 981060), (40, 784848), (48, 654040), (60, 523232), (64, 490530), (80, 392424), (83, 378240), (96, 327020), (120, 261616), (128, 245265), (160, 196212), (166, 189120), (192, 163510), (197, 159360), (240, 130808), (249, 126080), (320, 98106), (332, 94560), (384, 81755), (394, 79680), (415, 75648), (480, 65404), (498, 63040), (591, 53120), (640, 49053), (664, 47280), (788, 39840), (830, 37824), (960, 32702), (985, 31872), (996, 31520), (1182, 26560), (1245, 25216), (1328, 23640), (1576, 19920), (1660, 18912), (1920, 16351), (1970, 15936), (1992, 15760), (2364, 13280), (2490, 12608), (2656, 11820), (2955, 10624), (3152, 9960), (3320, 9456), (3940, 7968), (3984, 7880), (4728, 6640), (4980, 6304), (5312, 5910)]