128679960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 404352000

約数和(自身を除く): 275672040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 103, 116, 120, 145, 174, 206, 232, 290, 309, 348, 359, 412, 435, 515, 580, 618, 696, 718, 824, 870, 1030, 1077, 1160, 1236, 1436, 1545, 1740, 1795, 2060, 2154, 2472, 2872, 2987, 3090, 3480, 3590, 4120, 4308, 5385, 5974, 6180, 7180, 8616, 8961, 10411, 10770, 11948, 12360, 14360, 14935, 17922, 20822, 21540, 23896, 29870, 31233, 35844, 36977, 41644, 43080, 44805, 52055, 59740, 62466, 71688, 73954, 83288, 89610, 104110, 110931, 119480, 124932, 147908, 156165, 179220, 184885, 208220, 221862, 249864, 295816, 312330, 358440, 369770, 416440, 443724, 554655, 624660, 739540, 887448, 1072333, 1109310, 1249320, 1479080, 2144666, 2218620, 3216999, 4289332, 4437240, 5361665, 6433998, 8578664, 10723330, 12867996, 16084995, 21446660, 25735992, 32169990, 42893320, 64339980, 128679960]

約数ペア:

[(1, 128679960), (2, 64339980), (3, 42893320), (4, 32169990), (5, 25735992), (6, 21446660), (8, 16084995), (10, 12867996), (12, 10723330), (15, 8578664), (20, 6433998), (24, 5361665), (29, 4437240), (30, 4289332), (40, 3216999), (58, 2218620), (60, 2144666), (87, 1479080), (103, 1249320), (116, 1109310), (120, 1072333), (145, 887448), (174, 739540), (206, 624660), (232, 554655), (290, 443724), (309, 416440), (348, 369770), (359, 358440), (412, 312330), (435, 295816), (515, 249864), (580, 221862), (618, 208220), (696, 184885), (718, 179220), (824, 156165), (870, 147908), (1030, 124932), (1077, 119480), (1160, 110931), (1236, 104110), (1436, 89610), (1545, 83288), (1740, 73954), (1795, 71688), (2060, 62466), (2154, 59740), (2472, 52055), (2872, 44805), (2987, 43080), (3090, 41644), (3480, 36977), (3590, 35844), (4120, 31233), (4308, 29870), (5385, 23896), (5974, 21540), (6180, 20822), (7180, 17922), (8616, 14935), (8961, 14360), (10411, 12360), (10770, 11948)]