30931920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{42961}}^1$

素因数の和:42980

約数の個数: 60

約数和(自身を含む): 103882116

約数和(自身を除く): 72950196

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, 42961, 85922, 128883, 171844, 214805, 257766, 343688, 386649, 429610, 515532, 644415, 687376, 773298, 859220, 1031064, 1288830, 1546596, 1718440, 1933245, 2062128, 2577660, 3093192, 3436880, 3866490, 5155320, 6186384, 7732980, 10310640, 15465960, 30931920]

約数ペア:

[(1, 30931920), (2, 15465960), (3, 10310640), (4, 7732980), (5, 6186384), (6, 5155320), (8, 3866490), (9, 3436880), (10, 3093192), (12, 2577660), (15, 2062128), (16, 1933245), (18, 1718440), (20, 1546596), (24, 1288830), (30, 1031064), (36, 859220), (40, 773298), (45, 687376), (48, 644415), (60, 515532), (72, 429610), (80, 386649), (90, 343688), (120, 257766), (144, 214805), (180, 171844), (240, 128883), (360, 85922), (720, 42961)]