1520221908

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1\times {\mathrm{1987}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 3589214720

約数和(自身を除く): 2068992812

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 619, 1236, 1238, 1857, 1987, 2476, 3714, 3974, 5961, 7428, 7948, 11922, 23844, 63757, 127514, 191271, 204661, 255028, 382542, 409322, 613983, 765084, 818644, 1227966, 1229953, 2455932, 2459906, 3689859, 4919812, 7379718, 14759436, 126685159, 253370318, 380055477, 506740636, 760110954, 1520221908]

約数ペア:

[(1, 1520221908), (2, 760110954), (3, 506740636), (4, 380055477), (6, 253370318), (12, 126685159), (103, 14759436), (206, 7379718), (309, 4919812), (412, 3689859), (618, 2459906), (619, 2455932), (1236, 1229953), (1238, 1227966), (1857, 818644), (1987, 765084), (2476, 613983), (3714, 409322), (3974, 382542), (5961, 255028), (7428, 204661), (7948, 191271), (11922, 127514), (23844, 63757)]