18090120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 54587520

約数和(自身を除く): 36497400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 647, 699, 932, 1165, 1294, 1398, 1864, 1941, 2330, 2588, 2796, 3235, 3495, 3882, 4660, 5176, 5592, 6470, 6990, 7764, 9320, 9705, 12940, 13980, 15528, 19410, 25880, 27960, 38820, 77640, 150751, 301502, 452253, 603004, 753755, 904506, 1206008, 1507510, 1809012, 2261265, 3015020, 3618024, 4522530, 6030040, 9045060, 18090120]

約数ペア:

[(1, 18090120), (2, 9045060), (3, 6030040), (4, 4522530), (5, 3618024), (6, 3015020), (8, 2261265), (10, 1809012), (12, 1507510), (15, 1206008), (20, 904506), (24, 753755), (30, 603004), (40, 452253), (60, 301502), (120, 150751), (233, 77640), (466, 38820), (647, 27960), (699, 25880), (932, 19410), (1165, 15528), (1294, 13980), (1398, 12940), (1864, 9705), (1941, 9320), (2330, 7764), (2588, 6990), (2796, 6470), (3235, 5592), (3495, 5176), (3882, 4660)]