320701696

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 791175168

約数和(自身を除く): 470473472

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 128, 161, 184, 217, 224, 248, 251, 256, 322, 368, 434, 448, 496, 502, 644, 713, 736, 868, 896, 992, 1004, 1288, 1426, 1472, 1736, 1757, 1792, 1984, 2008, 2576, 2852, 2944, 3472, 3514, 3968, 4016, 4991, 5152, 5704, 5773, 5888, 6944, 7028, 7781, 7936, 8032, 9982, 10304, 11408, 11546, 13888, 14056, 15562, 16064, 19964, 20608, 22816, 23092, 27776, 28112, 31124, 32128, 39928, 40411, 41216, 45632, 46184, 54467, 55552, 56224, 62248, 64256, 79856, 80822, 91264, 92368, 108934, 112448, 124496, 159712, 161644, 178963, 182528, 184736, 217868, 224896, 248992, 319424, 323288, 357926, 369472, 435736, 449792, 497984, 638848, 646576, 715852, 738944, 871472, 995968, 1252741, 1277696, 1293152, 1431704, 1477888, 1742944, 1991936, 2505482, 2586304, 2863408, 3485888, 5010964, 5172608, 5726816, 6971776, 10021928, 10345216, 11453632, 13943552, 20043856, 22907264, 40087712, 45814528, 80175424, 160350848, 320701696]

約数ペア:

[(1, 320701696), (2, 160350848), (4, 80175424), (7, 45814528), (8, 40087712), (14, 22907264), (16, 20043856), (23, 13943552), (28, 11453632), (31, 10345216), (32, 10021928), (46, 6971776), (56, 5726816), (62, 5172608), (64, 5010964), (92, 3485888), (112, 2863408), (124, 2586304), (128, 2505482), (161, 1991936), (184, 1742944), (217, 1477888), (224, 1431704), (248, 1293152), (251, 1277696), (256, 1252741), (322, 995968), (368, 871472), (434, 738944), (448, 715852), (496, 646576), (502, 638848), (644, 497984), (713, 449792), (736, 435736), (868, 369472), (896, 357926), (992, 323288), (1004, 319424), (1288, 248992), (1426, 224896), (1472, 217868), (1736, 184736), (1757, 182528), (1792, 178963), (1984, 161644), (2008, 159712), (2576, 124496), (2852, 112448), (2944, 108934), (3472, 92368), (3514, 91264), (3968, 80822), (4016, 79856), (4991, 64256), (5152, 62248), (5704, 56224), (5773, 55552), (5888, 54467), (6944, 46184), (7028, 45632), (7781, 41216), (7936, 40411), (8032, 39928), (9982, 32128), (10304, 31124), (11408, 28112), (11546, 27776), (13888, 23092), (14056, 22816), (15562, 20608), (16064, 19964)]