319731520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 794723328

約数和(自身を除く): 474991808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 167, 193, 248, 310, 320, 334, 386, 496, 620, 668, 772, 835, 965, 992, 1240, 1336, 1544, 1670, 1930, 1984, 2480, 2672, 3088, 3340, 3860, 4960, 5177, 5344, 5983, 6176, 6680, 7720, 9920, 10354, 10688, 11966, 12352, 13360, 15440, 20708, 23932, 25885, 26720, 29915, 30880, 32231, 41416, 47864, 51770, 53440, 59830, 61760, 64462, 82832, 95728, 103540, 119660, 128924, 161155, 165664, 191456, 207080, 239320, 257848, 322310, 331328, 382912, 414160, 478640, 515696, 644620, 828320, 957280, 999161, 1031392, 1289240, 1656640, 1914560, 1998322, 2062784, 2578480, 3996644, 4995805, 5156960, 7993288, 9991610, 10313920, 15986576, 19983220, 31973152, 39966440, 63946304, 79932880, 159865760, 319731520]

約数ペア:

[(1, 319731520), (2, 159865760), (4, 79932880), (5, 63946304), (8, 39966440), (10, 31973152), (16, 19983220), (20, 15986576), (31, 10313920), (32, 9991610), (40, 7993288), (62, 5156960), (64, 4995805), (80, 3996644), (124, 2578480), (155, 2062784), (160, 1998322), (167, 1914560), (193, 1656640), (248, 1289240), (310, 1031392), (320, 999161), (334, 957280), (386, 828320), (496, 644620), (620, 515696), (668, 478640), (772, 414160), (835, 382912), (965, 331328), (992, 322310), (1240, 257848), (1336, 239320), (1544, 207080), (1670, 191456), (1930, 165664), (1984, 161155), (2480, 128924), (2672, 119660), (3088, 103540), (3340, 95728), (3860, 82832), (4960, 64462), (5177, 61760), (5344, 59830), (5983, 53440), (6176, 51770), (6680, 47864), (7720, 41416), (9920, 32231), (10354, 30880), (10688, 29915), (11966, 26720), (12352, 25885), (13360, 23932), (15440, 20708)]