31239180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24793}}^1$

素因数の和:24815

約数の個数: 72

約数和(自身を含む): 108300192

約数和(自身を除く): 77061012

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, 24793, 49586, 74379, 99172, 123965, 148758, 173551, 223137, 247930, 297516, 347102, 371895, 446274, 495860, 520653, 694204, 743790, 867755, 892548, 1041306, 1115685, 1487580, 1561959, 1735510, 2082612, 2231370, 2603265, 3123918, 3471020, 4462740, 5206530, 6247836, 7809795, 10413060, 15619590, 31239180]

約数ペア:

[(1, 31239180), (2, 15619590), (3, 10413060), (4, 7809795), (5, 6247836), (6, 5206530), (7, 4462740), (9, 3471020), (10, 3123918), (12, 2603265), (14, 2231370), (15, 2082612), (18, 1735510), (20, 1561959), (21, 1487580), (28, 1115685), (30, 1041306), (35, 892548), (36, 867755), (42, 743790), (45, 694204), (60, 520653), (63, 495860), (70, 446274), (84, 371895), (90, 347102), (105, 297516), (126, 247930), (140, 223137), (180, 173551), (210, 148758), (252, 123965), (315, 99172), (420, 74379), (630, 49586), (1260, 24793)]