206519220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127481}}^1$

素因数の和:127502

約数の個数: 60

約数和(自身を含む): 647863524

約数和(自身を除く): 441344304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 127481, 254962, 382443, 509924, 637405, 764886, 1147329, 1274810, 1529772, 1912215, 2294658, 2549620, 3441987, 3824430, 4589316, 5736645, 6883974, 7648860, 10325961, 11473290, 13767948, 17209935, 20651922, 22946580, 34419870, 41303844, 51629805, 68839740, 103259610, 206519220]

約数ペア:

[(1, 206519220), (2, 103259610), (3, 68839740), (4, 51629805), (5, 41303844), (6, 34419870), (9, 22946580), (10, 20651922), (12, 17209935), (15, 13767948), (18, 11473290), (20, 10325961), (27, 7648860), (30, 6883974), (36, 5736645), (45, 4589316), (54, 3824430), (60, 3441987), (81, 2549620), (90, 2294658), (108, 1912215), (135, 1529772), (162, 1274810), (180, 1147329), (270, 764886), (324, 637405), (405, 509924), (540, 382443), (810, 254962), (1620, 127481)]