81993240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32537}}^1$

素因数の和:32561

約数の個数: 96

約数和(自身を含む): 304555680

約数和(自身を除く): 222562440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32537, 65074, 97611, 130148, 162685, 195222, 227759, 260296, 292833, 325370, 390444, 455518, 488055, 585666, 650740, 683277, 780888, 911036, 976110, 1138795, 1171332, 1301480, 1366554, 1464165, 1822072, 1952220, 2049831, 2277590, 2342664, 2733108, 2928330, 3416385, 3904440, 4099662, 4555180, 5466216, 5856660, 6832770, 8199324, 9110360, 10249155, 11713320, 13665540, 16398648, 20498310, 27331080, 40996620, 81993240]

約数ペア:

[(1, 81993240), (2, 40996620), (3, 27331080), (4, 20498310), (5, 16398648), (6, 13665540), (7, 11713320), (8, 10249155), (9, 9110360), (10, 8199324), (12, 6832770), (14, 5856660), (15, 5466216), (18, 4555180), (20, 4099662), (21, 3904440), (24, 3416385), (28, 2928330), (30, 2733108), (35, 2342664), (36, 2277590), (40, 2049831), (42, 1952220), (45, 1822072), (56, 1464165), (60, 1366554), (63, 1301480), (70, 1171332), (72, 1138795), (84, 976110), (90, 911036), (105, 780888), (120, 683277), (126, 650740), (140, 585666), (168, 488055), (180, 455518), (210, 390444), (252, 325370), (280, 292833), (315, 260296), (360, 227759), (420, 195222), (504, 162685), (630, 130148), (840, 97611), (1260, 65074), (2520, 32537)]