72004500

素因数分解:

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

素因数の和:16026

約数の個数: 72

約数和(自身を含む): 227164392

約数和(自身を除く): 155159892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 16001, 32002, 48003, 64004, 80005, 96006, 144009, 160010, 192012, 240015, 288018, 320020, 400025, 480030, 576036, 720045, 800050, 960060, 1200075, 1440090, 1600100, 2000125, 2400150, 2880180, 3600225, 4000250, 4800300, 6000375, 7200450, 8000500, 12000750, 14400900, 18001125, 24001500, 36002250, 72004500]

約数ペア:

[(1, 72004500), (2, 36002250), (3, 24001500), (4, 18001125), (5, 14400900), (6, 12000750), (9, 8000500), (10, 7200450), (12, 6000375), (15, 4800300), (18, 4000250), (20, 3600225), (25, 2880180), (30, 2400150), (36, 2000125), (45, 1600100), (50, 1440090), (60, 1200075), (75, 960060), (90, 800050), (100, 720045), (125, 576036), (150, 480030), (180, 400025), (225, 320020), (250, 288018), (300, 240015), (375, 192012), (450, 160010), (500, 144009), (750, 96006), (900, 80005), (1125, 64004), (1500, 48003), (2250, 32002), (4500, 16001)]