281572256

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 715309056

約数和(自身を除く): 433736800

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 41, 43, 46, 56, 62, 82, 86, 92, 112, 124, 161, 164, 172, 184, 217, 224, 248, 287, 301, 322, 328, 344, 368, 434, 496, 574, 602, 644, 656, 688, 713, 736, 868, 943, 989, 992, 1148, 1204, 1271, 1288, 1312, 1333, 1376, 1426, 1736, 1763, 1886, 1978, 2296, 2408, 2542, 2576, 2666, 2852, 3472, 3526, 3772, 3956, 4592, 4816, 4991, 5084, 5152, 5332, 5704, 6601, 6923, 6944, 7052, 7544, 7912, 8897, 9184, 9331, 9632, 9982, 10168, 10664, 11408, 12341, 13202, 13846, 14104, 15088, 15824, 17794, 18662, 19964, 20336, 21328, 22816, 24682, 26404, 27692, 28208, 29233, 30176, 30659, 31648, 35588, 37324, 39928, 40549, 40672, 42656, 49364, 52808, 54653, 55384, 56416, 58466, 61318, 71176, 74648, 79856, 81098, 98728, 105616, 109306, 110768, 116932, 122636, 142352, 149296, 159712, 162196, 197456, 204631, 211232, 214613, 218612, 221536, 233864, 245272, 283843, 284704, 298592, 324392, 382571, 394912, 409262, 429226, 437224, 467728, 490544, 567686, 648784, 765142, 818524, 858452, 874448, 935456, 981088, 1135372, 1257019, 1297568, 1530284, 1637048, 1716904, 1748896, 2270744, 2514038, 3060568, 3274096, 3433808, 4541488, 5028076, 6121136, 6548192, 6867616, 8799133, 9082976, 10056152, 12242272, 17598266, 20112304, 35196532, 40224608, 70393064, 140786128, 281572256]

約数ペア:

[(1, 281572256), (2, 140786128), (4, 70393064), (7, 40224608), (8, 35196532), (14, 20112304), (16, 17598266), (23, 12242272), (28, 10056152), (31, 9082976), (32, 8799133), (41, 6867616), (43, 6548192), (46, 6121136), (56, 5028076), (62, 4541488), (82, 3433808), (86, 3274096), (92, 3060568), (112, 2514038), (124, 2270744), (161, 1748896), (164, 1716904), (172, 1637048), (184, 1530284), (217, 1297568), (224, 1257019), (248, 1135372), (287, 981088), (301, 935456), (322, 874448), (328, 858452), (344, 818524), (368, 765142), (434, 648784), (496, 567686), (574, 490544), (602, 467728), (644, 437224), (656, 429226), (688, 409262), (713, 394912), (736, 382571), (868, 324392), (943, 298592), (989, 284704), (992, 283843), (1148, 245272), (1204, 233864), (1271, 221536), (1288, 218612), (1312, 214613), (1333, 211232), (1376, 204631), (1426, 197456), (1736, 162196), (1763, 159712), (1886, 149296), (1978, 142352), (2296, 122636), (2408, 116932), (2542, 110768), (2576, 109306), (2666, 105616), (2852, 98728), (3472, 81098), (3526, 79856), (3772, 74648), (3956, 71176), (4592, 61318), (4816, 58466), (4991, 56416), (5084, 55384), (5152, 54653), (5332, 52808), (5704, 49364), (6601, 42656), (6923, 40672), (6944, 40549), (7052, 39928), (7544, 37324), (7912, 35588), (8897, 31648), (9184, 30659), (9331, 30176), (9632, 29233), (9982, 28208), (10168, 27692), (10664, 26404), (11408, 24682), (12341, 22816), (13202, 21328), (13846, 20336), (14104, 19964), (15088, 18662), (15824, 17794)]