2778889760

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:954

約数の個数: 96

約数和(自身を含む): 6662476800

約数和(自身を除く): 3883587040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 359, 404, 479, 505, 718, 808, 958, 1010, 1436, 1616, 1795, 1916, 2020, 2395, 2872, 3232, 3590, 3832, 4040, 4790, 5744, 7180, 7664, 8080, 9580, 11488, 14360, 15328, 16160, 19160, 28720, 36259, 38320, 48379, 57440, 72518, 76640, 96758, 145036, 171961, 181295, 193516, 241895, 290072, 343922, 362590, 387032, 483790, 580144, 687844, 725180, 774064, 859805, 967580, 1160288, 1375688, 1450360, 1548128, 1719610, 1935160, 2751376, 2900720, 3439220, 3870320, 5502752, 5801440, 6878440, 7740640, 13756880, 17368061, 27513760, 34736122, 69472244, 86840305, 138944488, 173680610, 277888976, 347361220, 555777952, 694722440, 1389444880, 2778889760]

約数ペア:

[(1, 2778889760), (2, 1389444880), (4, 694722440), (5, 555777952), (8, 347361220), (10, 277888976), (16, 173680610), (20, 138944488), (32, 86840305), (40, 69472244), (80, 34736122), (101, 27513760), (160, 17368061), (202, 13756880), (359, 7740640), (404, 6878440), (479, 5801440), (505, 5502752), (718, 3870320), (808, 3439220), (958, 2900720), (1010, 2751376), (1436, 1935160), (1616, 1719610), (1795, 1548128), (1916, 1450360), (2020, 1375688), (2395, 1160288), (2872, 967580), (3232, 859805), (3590, 774064), (3832, 725180), (4040, 687844), (4790, 580144), (5744, 483790), (7180, 387032), (7664, 362590), (8080, 343922), (9580, 290072), (11488, 241895), (14360, 193516), (15328, 181295), (16160, 171961), (19160, 145036), (28720, 96758), (36259, 76640), (38320, 72518), (48379, 57440)]