39920940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1693}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 122089968

約数和(自身を除く): 82169028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1693, 1965, 2358, 2620, 3386, 3930, 4716, 5079, 5895, 6772, 7860, 8465, 10158, 11790, 15237, 16930, 20316, 23580, 25395, 30474, 33860, 50790, 60948, 76185, 101580, 152370, 221783, 304740, 443566, 665349, 887132, 1108915, 1330698, 1996047, 2217830, 2661396, 3326745, 3992094, 4435660, 6653490, 7984188, 9980235, 13306980, 19960470, 39920940]

約数ペア:

[(1, 39920940), (2, 19960470), (3, 13306980), (4, 9980235), (5, 7984188), (6, 6653490), (9, 4435660), (10, 3992094), (12, 3326745), (15, 2661396), (18, 2217830), (20, 1996047), (30, 1330698), (36, 1108915), (45, 887132), (60, 665349), (90, 443566), (131, 304740), (180, 221783), (262, 152370), (393, 101580), (524, 76185), (655, 60948), (786, 50790), (1179, 33860), (1310, 30474), (1572, 25395), (1693, 23580), (1965, 20316), (2358, 16930), (2620, 15237), (3386, 11790), (3930, 10158), (4716, 8465), (5079, 7860), (5895, 6772)]