30981390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 81672192

約数和(自身を除く): 50690802

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 223, 330, 421, 446, 669, 842, 1115, 1263, 1338, 2105, 2230, 2453, 2526, 3345, 4210, 4631, 4906, 6315, 6690, 7359, 9262, 12265, 12630, 13893, 14718, 23155, 24530, 27786, 36795, 46310, 69465, 73590, 93883, 138930, 187766, 281649, 469415, 563298, 938830, 1032713, 1408245, 2065426, 2816490, 3098139, 5163565, 6196278, 10327130, 15490695, 30981390]

約数ペア:

[(1, 30981390), (2, 15490695), (3, 10327130), (5, 6196278), (6, 5163565), (10, 3098139), (11, 2816490), (15, 2065426), (22, 1408245), (30, 1032713), (33, 938830), (55, 563298), (66, 469415), (110, 281649), (165, 187766), (223, 138930), (330, 93883), (421, 73590), (446, 69465), (669, 46310), (842, 36795), (1115, 27786), (1263, 24530), (1338, 23155), (2105, 14718), (2230, 13893), (2453, 12630), (2526, 12265), (3345, 9262), (4210, 7359), (4631, 6690), (4906, 6315)]