28801800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{16001}}^1$

素因数の和:16023

約数の個数: 72

約数和(自身を含む): 96732090

約数和(自身を除く): 67930290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 16001, 32002, 48003, 64004, 80005, 96006, 128008, 144009, 160010, 192012, 240015, 288018, 320020, 384024, 400025, 480030, 576036, 640040, 720045, 800050, 960060, 1152072, 1200075, 1440090, 1600100, 1920120, 2400150, 2880180, 3200200, 3600225, 4800300, 5760360, 7200450, 9600600, 14400900, 28801800]

約数ペア:

[(1, 28801800), (2, 14400900), (3, 9600600), (4, 7200450), (5, 5760360), (6, 4800300), (8, 3600225), (9, 3200200), (10, 2880180), (12, 2400150), (15, 1920120), (18, 1600100), (20, 1440090), (24, 1200075), (25, 1152072), (30, 960060), (36, 800050), (40, 720045), (45, 640040), (50, 576036), (60, 480030), (72, 400025), (75, 384024), (90, 320020), (100, 288018), (120, 240015), (150, 192012), (180, 160010), (200, 144009), (225, 128008), (300, 96006), (360, 80005), (450, 64004), (600, 48003), (900, 32002), (1800, 16001)]