145019840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 112

約数和(自身を含む): 399190464

約数和(自身を除く): 254170624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 140, 160, 202, 224, 280, 320, 404, 448, 505, 560, 641, 707, 808, 1010, 1120, 1282, 1414, 1616, 2020, 2240, 2564, 2828, 3205, 3232, 3535, 4040, 4487, 5128, 5656, 6410, 6464, 7070, 8080, 8974, 10256, 11312, 12820, 14140, 16160, 17948, 20512, 22435, 22624, 25640, 28280, 32320, 35896, 41024, 44870, 45248, 51280, 56560, 64741, 71792, 89740, 102560, 113120, 129482, 143584, 179480, 205120, 226240, 258964, 287168, 323705, 358960, 453187, 517928, 647410, 717920, 906374, 1035856, 1294820, 1435840, 1812748, 2071712, 2265935, 2589640, 3625496, 4143424, 4531870, 5179280, 7250992, 9063740, 10358560, 14501984, 18127480, 20717120, 29003968, 36254960, 72509920, 145019840]

約数ペア:

[(1, 145019840), (2, 72509920), (4, 36254960), (5, 29003968), (7, 20717120), (8, 18127480), (10, 14501984), (14, 10358560), (16, 9063740), (20, 7250992), (28, 5179280), (32, 4531870), (35, 4143424), (40, 3625496), (56, 2589640), (64, 2265935), (70, 2071712), (80, 1812748), (101, 1435840), (112, 1294820), (140, 1035856), (160, 906374), (202, 717920), (224, 647410), (280, 517928), (320, 453187), (404, 358960), (448, 323705), (505, 287168), (560, 258964), (641, 226240), (707, 205120), (808, 179480), (1010, 143584), (1120, 129482), (1282, 113120), (1414, 102560), (1616, 89740), (2020, 71792), (2240, 64741), (2564, 56560), (2828, 51280), (3205, 45248), (3232, 44870), (3535, 41024), (4040, 35896), (4487, 32320), (5128, 28280), (5656, 25640), (6410, 22624), (6464, 22435), (7070, 20512), (8080, 17948), (8974, 16160), (10256, 14140), (11312, 12820)]