31123320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 93744000

約数和(自身を除く): 62620680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 419, 619, 838, 1238, 1257, 1676, 1857, 2095, 2476, 2514, 3095, 3352, 3714, 4190, 4952, 5028, 6190, 6285, 7428, 8380, 9285, 10056, 12380, 12570, 14856, 16760, 18570, 24760, 25140, 37140, 50280, 74280, 259361, 518722, 778083, 1037444, 1296805, 1556166, 2074888, 2593610, 3112332, 3890415, 5187220, 6224664, 7780830, 10374440, 15561660, 31123320]

約数ペア:

[(1, 31123320), (2, 15561660), (3, 10374440), (4, 7780830), (5, 6224664), (6, 5187220), (8, 3890415), (10, 3112332), (12, 2593610), (15, 2074888), (20, 1556166), (24, 1296805), (30, 1037444), (40, 778083), (60, 518722), (120, 259361), (419, 74280), (619, 50280), (838, 37140), (1238, 25140), (1257, 24760), (1676, 18570), (1857, 16760), (2095, 14856), (2476, 12570), (2514, 12380), (3095, 10056), (3352, 9285), (3714, 8380), (4190, 7428), (4952, 6285), (5028, 6190)]