30868880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 82732800

約数和(自身を除く): 51863920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 277, 280, 398, 554, 560, 796, 995, 1108, 1385, 1393, 1592, 1939, 1990, 2216, 2770, 2786, 3184, 3878, 3980, 4432, 5540, 5572, 6965, 7756, 7960, 9695, 11080, 11144, 13930, 15512, 15920, 19390, 22160, 22288, 27860, 31024, 38780, 55123, 55720, 77560, 110246, 111440, 155120, 220492, 275615, 385861, 440984, 551230, 771722, 881968, 1102460, 1543444, 1929305, 2204920, 3086888, 3858610, 4409840, 6173776, 7717220, 15434440, 30868880]

約数ペア:

[(1, 30868880), (2, 15434440), (4, 7717220), (5, 6173776), (7, 4409840), (8, 3858610), (10, 3086888), (14, 2204920), (16, 1929305), (20, 1543444), (28, 1102460), (35, 881968), (40, 771722), (56, 551230), (70, 440984), (80, 385861), (112, 275615), (140, 220492), (199, 155120), (277, 111440), (280, 110246), (398, 77560), (554, 55720), (560, 55123), (796, 38780), (995, 31024), (1108, 27860), (1385, 22288), (1393, 22160), (1592, 19390), (1939, 15920), (1990, 15512), (2216, 13930), (2770, 11144), (2786, 11080), (3184, 9695), (3878, 7960), (3980, 7756), (4432, 6965), (5540, 5572)]