51307920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71261}}^1$

素因数の和:71280

約数の個数: 60

約数和(自身を含む): 172311516

約数和(自身を除く): 121003596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71261, 142522, 213783, 285044, 356305, 427566, 570088, 641349, 712610, 855132, 1068915, 1140176, 1282698, 1425220, 1710264, 2137830, 2565396, 2850440, 3206745, 3420528, 4275660, 5130792, 5700880, 6413490, 8551320, 10261584, 12826980, 17102640, 25653960, 51307920]

約数ペア:

[(1, 51307920), (2, 25653960), (3, 17102640), (4, 12826980), (5, 10261584), (6, 8551320), (8, 6413490), (9, 5700880), (10, 5130792), (12, 4275660), (15, 3420528), (16, 3206745), (18, 2850440), (20, 2565396), (24, 2137830), (30, 1710264), (36, 1425220), (40, 1282698), (45, 1140176), (48, 1068915), (60, 855132), (72, 712610), (80, 641349), (90, 570088), (120, 427566), (144, 356305), (180, 285044), (240, 213783), (360, 142522), (720, 71261)]