1430640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2006

約数の個数: 60

約数和(自身を含む): 4806984

約数和(自身を除く): 3376344

約数列:

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

約数ペア:

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