28040400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{7789}}^1$

素因数の和:7813

約数の個数: 90

約数和(自身を含む): 97320470

約数和(自身を除く): 69280070

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 7789, 15578, 23367, 31156, 38945, 46734, 62312, 70101, 77890, 93468, 116835, 124624, 140202, 155780, 186936, 194725, 233670, 280404, 311560, 350505, 373872, 389450, 467340, 560808, 584175, 623120, 701010, 778900, 934680, 1121616, 1168350, 1402020, 1557800, 1752525, 1869360, 2336700, 2804040, 3115600, 3505050, 4673400, 5608080, 7010100, 9346800, 14020200, 28040400]

約数ペア:

[(1, 28040400), (2, 14020200), (3, 9346800), (4, 7010100), (5, 5608080), (6, 4673400), (8, 3505050), (9, 3115600), (10, 2804040), (12, 2336700), (15, 1869360), (16, 1752525), (18, 1557800), (20, 1402020), (24, 1168350), (25, 1121616), (30, 934680), (36, 778900), (40, 701010), (45, 623120), (48, 584175), (50, 560808), (60, 467340), (72, 389450), (75, 373872), (80, 350505), (90, 311560), (100, 280404), (120, 233670), (144, 194725), (150, 186936), (180, 155780), (200, 140202), (225, 124624), (240, 116835), (300, 93468), (360, 77890), (400, 70101), (450, 62312), (600, 46734), (720, 38945), (900, 31156), (1200, 23367), (1800, 15578), (3600, 7789)]