18905400

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 66011400

約数和(自身を除く): 47106000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 243, 270, 300, 324, 360, 389, 405, 450, 486, 540, 600, 648, 675, 778, 810, 900, 972, 1080, 1167, 1215, 1350, 1556, 1620, 1800, 1944, 1945, 2025, 2334, 2430, 2700, 3112, 3240, 3501, 3890, 4050, 4668, 4860, 5400, 5835, 6075, 7002, 7780, 8100, 9336, 9720, 9725, 10503, 11670, 12150, 14004, 15560, 16200, 17505, 19450, 21006, 23340, 24300, 28008, 29175, 31509, 35010, 38900, 42012, 46680, 48600, 52515, 58350, 63018, 70020, 77800, 84024, 87525, 94527, 105030, 116700, 126036, 140040, 157545, 175050, 189054, 210060, 233400, 252072, 262575, 315090, 350100, 378108, 420120, 472635, 525150, 630180, 700200, 756216, 787725, 945270, 1050300, 1260360, 1575450, 1890540, 2100600, 2363175, 3150900, 3781080, 4726350, 6301800, 9452700, 18905400]

約数ペア:

[(1, 18905400), (2, 9452700), (3, 6301800), (4, 4726350), (5, 3781080), (6, 3150900), (8, 2363175), (9, 2100600), (10, 1890540), (12, 1575450), (15, 1260360), (18, 1050300), (20, 945270), (24, 787725), (25, 756216), (27, 700200), (30, 630180), (36, 525150), (40, 472635), (45, 420120), (50, 378108), (54, 350100), (60, 315090), (72, 262575), (75, 252072), (81, 233400), (90, 210060), (100, 189054), (108, 175050), (120, 157545), (135, 140040), (150, 126036), (162, 116700), (180, 105030), (200, 94527), (216, 87525), (225, 84024), (243, 77800), (270, 70020), (300, 63018), (324, 58350), (360, 52515), (389, 48600), (405, 46680), (450, 42012), (486, 38900), (540, 35010), (600, 31509), (648, 29175), (675, 28008), (778, 24300), (810, 23340), (900, 21006), (972, 19450), (1080, 17505), (1167, 16200), (1215, 15560), (1350, 14004), (1556, 12150), (1620, 11670), (1800, 10503), (1944, 9725), (1945, 9720), (2025, 9336), (2334, 8100), (2430, 7780), (2700, 7002), (3112, 6075), (3240, 5835), (3501, 5400), (3890, 4860), (4050, 4668)]