81326880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56477}}^1$

素因数の和:56498

約数の個数: 72

約数和(自身を含む): 277532892

約数和(自身を除く): 196206012

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, 56477, 112954, 169431, 225908, 282385, 338862, 451816, 508293, 564770, 677724, 847155, 903632, 1016586, 1129540, 1355448, 1694310, 1807264, 2033172, 2259080, 2541465, 2710896, 3388620, 4066344, 4518160, 5082930, 5421792, 6777240, 8132688, 9036320, 10165860, 13554480, 16265376, 20331720, 27108960, 40663440, 81326880]

約数ペア:

[(1, 81326880), (2, 40663440), (3, 27108960), (4, 20331720), (5, 16265376), (6, 13554480), (8, 10165860), (9, 9036320), (10, 8132688), (12, 6777240), (15, 5421792), (16, 5082930), (18, 4518160), (20, 4066344), (24, 3388620), (30, 2710896), (32, 2541465), (36, 2259080), (40, 2033172), (45, 1807264), (48, 1694310), (60, 1355448), (72, 1129540), (80, 1016586), (90, 903632), (96, 847155), (120, 677724), (144, 564770), (160, 508293), (180, 451816), (240, 338862), (288, 282385), (360, 225908), (480, 169431), (720, 112954), (1440, 56477)]