216531280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12473}}^1$

素因数の和:12524

約数の個数: 80

約数和(自身を含む): 593961984

約数和(自身を除く): 377430704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12473, 17360, 24946, 49892, 62365, 87311, 99784, 124730, 174622, 199568, 249460, 349244, 386663, 436555, 498920, 698488, 773326, 873110, 997840, 1396976, 1546652, 1746220, 1933315, 2706641, 3093304, 3492440, 3866630, 5413282, 6186608, 6984880, 7733260, 10826564, 13533205, 15466520, 21653128, 27066410, 30933040, 43306256, 54132820, 108265640, 216531280]

約数ペア:

[(1, 216531280), (2, 108265640), (4, 54132820), (5, 43306256), (7, 30933040), (8, 27066410), (10, 21653128), (14, 15466520), (16, 13533205), (20, 10826564), (28, 7733260), (31, 6984880), (35, 6186608), (40, 5413282), (56, 3866630), (62, 3492440), (70, 3093304), (80, 2706641), (112, 1933315), (124, 1746220), (140, 1546652), (155, 1396976), (217, 997840), (248, 873110), (280, 773326), (310, 698488), (434, 498920), (496, 436555), (560, 386663), (620, 349244), (868, 249460), (1085, 199568), (1240, 174622), (1736, 124730), (2170, 99784), (2480, 87311), (3472, 62365), (4340, 49892), (8680, 24946), (12473, 17360)]