320561640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{127207}}^1$

素因数の和:127231

約数の個数: 96

約数和(自身を含む): 1190666880

約数和(自身を除く): 870105240

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, 127207, 254414, 381621, 508828, 636035, 763242, 890449, 1017656, 1144863, 1272070, 1526484, 1780898, 1908105, 2289726, 2544140, 2671347, 3052968, 3561796, 3816210, 4452245, 4579452, 5088280, 5342694, 5724315, 7123592, 7632420, 8014041, 8904490, 9158904, 10685388, 11448630, 13356735, 15264840, 16028082, 17808980, 21370776, 22897260, 26713470, 32056164, 35617960, 40070205, 45794520, 53426940, 64112328, 80140410, 106853880, 160280820, 320561640]

約数ペア:

[(1, 320561640), (2, 160280820), (3, 106853880), (4, 80140410), (5, 64112328), (6, 53426940), (7, 45794520), (8, 40070205), (9, 35617960), (10, 32056164), (12, 26713470), (14, 22897260), (15, 21370776), (18, 17808980), (20, 16028082), (21, 15264840), (24, 13356735), (28, 11448630), (30, 10685388), (35, 9158904), (36, 8904490), (40, 8014041), (42, 7632420), (45, 7123592), (56, 5724315), (60, 5342694), (63, 5088280), (70, 4579452), (72, 4452245), (84, 3816210), (90, 3561796), (105, 3052968), (120, 2671347), (126, 2544140), (140, 2289726), (168, 1908105), (180, 1780898), (210, 1526484), (252, 1272070), (280, 1144863), (315, 1017656), (360, 890449), (420, 763242), (504, 636035), (630, 508828), (840, 381621), (1260, 254414), (2520, 127207)]