2180360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 6048000

約数和(自身を除く): 3867640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 599, 728, 910, 1198, 1820, 2396, 2995, 3640, 4193, 4792, 5990, 7787, 8386, 11980, 15574, 16772, 20965, 23960, 31148, 33544, 38935, 41930, 54509, 62296, 77870, 83860, 109018, 155740, 167720, 218036, 272545, 311480, 436072, 545090, 1090180, 2180360]

約数ペア:

[(1, 2180360), (2, 1090180), (4, 545090), (5, 436072), (7, 311480), (8, 272545), (10, 218036), (13, 167720), (14, 155740), (20, 109018), (26, 83860), (28, 77870), (35, 62296), (40, 54509), (52, 41930), (56, 38935), (65, 33544), (70, 31148), (91, 23960), (104, 20965), (130, 16772), (140, 15574), (182, 11980), (260, 8386), (280, 7787), (364, 5990), (455, 4792), (520, 4193), (599, 3640), (728, 2995), (910, 2396), (1198, 1820)]