31890880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 112

約数和(自身を含む): 90708480

約数和(自身を除く): 58817600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 619, 644, 736, 805, 920, 1120, 1238, 1288, 1472, 1610, 1840, 2240, 2476, 2576, 3095, 3220, 3680, 4333, 4952, 5152, 6190, 6440, 7360, 8666, 9904, 10304, 12380, 12880, 14237, 17332, 19808, 21665, 24760, 25760, 28474, 34664, 39616, 43330, 49520, 51520, 56948, 69328, 71185, 86660, 99040, 99659, 113896, 138656, 142370, 173320, 198080, 199318, 227792, 277312, 284740, 346640, 398636, 455584, 498295, 569480, 693280, 797272, 911168, 996590, 1138960, 1386560, 1594544, 1993180, 2277920, 3189088, 3986360, 4555840, 6378176, 7972720, 15945440, 31890880]

約数ペア:

[(1, 31890880), (2, 15945440), (4, 7972720), (5, 6378176), (7, 4555840), (8, 3986360), (10, 3189088), (14, 2277920), (16, 1993180), (20, 1594544), (23, 1386560), (28, 1138960), (32, 996590), (35, 911168), (40, 797272), (46, 693280), (56, 569480), (64, 498295), (70, 455584), (80, 398636), (92, 346640), (112, 284740), (115, 277312), (140, 227792), (160, 199318), (161, 198080), (184, 173320), (224, 142370), (230, 138656), (280, 113896), (320, 99659), (322, 99040), (368, 86660), (448, 71185), (460, 69328), (560, 56948), (619, 51520), (644, 49520), (736, 43330), (805, 39616), (920, 34664), (1120, 28474), (1238, 25760), (1288, 24760), (1472, 21665), (1610, 19808), (1840, 17332), (2240, 14237), (2476, 12880), (2576, 12380), (3095, 10304), (3220, 9904), (3680, 8666), (4333, 7360), (4952, 6440), (5152, 6190)]