447021540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{354779}}^1$

素因数の和:354801

約数の個数: 72

約数和(自身を含む): 1549679040

約数和(自身を除く): 1102657500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 354779, 709558, 1064337, 1419116, 1773895, 2128674, 2483453, 3193011, 3547790, 4257348, 4966906, 5321685, 6386022, 7095580, 7450359, 9933812, 10643370, 12417265, 12772044, 14900718, 15965055, 21286740, 22351077, 24834530, 29801436, 31930110, 37251795, 44702154, 49669060, 63860220, 74503590, 89404308, 111755385, 149007180, 223510770, 447021540]

約数ペア:

[(1, 447021540), (2, 223510770), (3, 149007180), (4, 111755385), (5, 89404308), (6, 74503590), (7, 63860220), (9, 49669060), (10, 44702154), (12, 37251795), (14, 31930110), (15, 29801436), (18, 24834530), (20, 22351077), (21, 21286740), (28, 15965055), (30, 14900718), (35, 12772044), (36, 12417265), (42, 10643370), (45, 9933812), (60, 7450359), (63, 7095580), (70, 6386022), (84, 5321685), (90, 4966906), (105, 4257348), (126, 3547790), (140, 3193011), (180, 2483453), (210, 2128674), (252, 1773895), (315, 1419116), (420, 1064337), (630, 709558), (1260, 354779)]