208745640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{193283}}^1$

素因数の和:193303

約数の個数: 64

約数和(自身を含む): 695822400

約数和(自身を除く): 487076760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 193283, 386566, 579849, 773132, 966415, 1159698, 1546264, 1739547, 1932830, 2319396, 2899245, 3479094, 3865660, 4638792, 5218641, 5798490, 6958188, 7731320, 8697735, 10437282, 11596980, 13916376, 17395470, 20874564, 23193960, 26093205, 34790940, 41749128, 52186410, 69581880, 104372820, 208745640]

約数ペア:

[(1, 208745640), (2, 104372820), (3, 69581880), (4, 52186410), (5, 41749128), (6, 34790940), (8, 26093205), (9, 23193960), (10, 20874564), (12, 17395470), (15, 13916376), (18, 11596980), (20, 10437282), (24, 8697735), (27, 7731320), (30, 6958188), (36, 5798490), (40, 5218641), (45, 4638792), (54, 3865660), (60, 3479094), (72, 2899245), (90, 2319396), (108, 1932830), (120, 1739547), (135, 1546264), (180, 1159698), (216, 966415), (270, 773132), (360, 579849), (540, 386566), (1080, 193283)]