2861280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2008

約数の個数: 72

約数和(自身を含む): 9769032

約数和(自身を除く): 6907752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1987, 3974, 5961, 7948, 9935, 11922, 15896, 17883, 19870, 23844, 29805, 31792, 35766, 39740, 47688, 59610, 63584, 71532, 79480, 89415, 95376, 119220, 143064, 158960, 178830, 190752, 238440, 286128, 317920, 357660, 476880, 572256, 715320, 953760, 1430640, 2861280]

約数ペア:

[(1, 2861280), (2, 1430640), (3, 953760), (4, 715320), (5, 572256), (6, 476880), (8, 357660), (9, 317920), (10, 286128), (12, 238440), (15, 190752), (16, 178830), (18, 158960), (20, 143064), (24, 119220), (30, 95376), (32, 89415), (36, 79480), (40, 71532), (45, 63584), (48, 59610), (60, 47688), (72, 39740), (80, 35766), (90, 31792), (96, 29805), (120, 23844), (144, 19870), (160, 17883), (180, 15896), (240, 11922), (288, 9935), (360, 7948), (480, 5961), (720, 3974), (1440, 1987)]