255127040

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 160

約数和(自身を含む): 730667520

約数和(自身を除く): 475540480

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, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 619, 640, 644, 736, 805, 896, 920, 1120, 1238, 1280, 1288, 1472, 1610, 1792, 1840, 2240, 2476, 2560, 2576, 2944, 3095, 3220, 3584, 3680, 4333, 4480, 4952, 5152, 5888, 6190, 6440, 7360, 8666, 8960, 9904, 10304, 11776, 12380, 12880, 14237, 14720, 17332, 17920, 19808, 20608, 21665, 24760, 25760, 28474, 29440, 34664, 39616, 41216, 43330, 49520, 51520, 56948, 58880, 69328, 71185, 79232, 82432, 86660, 99040, 99659, 103040, 113896, 138656, 142370, 158464, 173320, 198080, 199318, 206080, 227792, 277312, 284740, 316928, 346640, 396160, 398636, 412160, 455584, 498295, 554624, 569480, 693280, 792320, 797272, 911168, 996590, 1109248, 1138960, 1386560, 1584640, 1594544, 1822336, 1993180, 2218496, 2277920, 2773120, 3189088, 3644672, 3986360, 4555840, 5546240, 6378176, 7289344, 7972720, 9111680, 11092480, 12756352, 15945440, 18223360, 25512704, 31890880, 36446720, 51025408, 63781760, 127563520, 255127040]

約数ペア:

[(1, 255127040), (2, 127563520), (4, 63781760), (5, 51025408), (7, 36446720), (8, 31890880), (10, 25512704), (14, 18223360), (16, 15945440), (20, 12756352), (23, 11092480), (28, 9111680), (32, 7972720), (35, 7289344), (40, 6378176), (46, 5546240), (56, 4555840), (64, 3986360), (70, 3644672), (80, 3189088), (92, 2773120), (112, 2277920), (115, 2218496), (128, 1993180), (140, 1822336), (160, 1594544), (161, 1584640), (184, 1386560), (224, 1138960), (230, 1109248), (256, 996590), (280, 911168), (320, 797272), (322, 792320), (368, 693280), (448, 569480), (460, 554624), (512, 498295), (560, 455584), (619, 412160), (640, 398636), (644, 396160), (736, 346640), (805, 316928), (896, 284740), (920, 277312), (1120, 227792), (1238, 206080), (1280, 199318), (1288, 198080), (1472, 173320), (1610, 158464), (1792, 142370), (1840, 138656), (2240, 113896), (2476, 103040), (2560, 99659), (2576, 99040), (2944, 86660), (3095, 82432), (3220, 79232), (3584, 71185), (3680, 69328), (4333, 58880), (4480, 56948), (4952, 51520), (5152, 49520), (5888, 43330), (6190, 41216), (6440, 39616), (7360, 34664), (8666, 29440), (8960, 28474), (9904, 25760), (10304, 24760), (11776, 21665), (12380, 20608), (12880, 19808), (14237, 17920), (14720, 17332)]