72045000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{1601}}^1$

素因数の和:1633

約数の個数: 120

約数和(自身を含む): 243976590

約数和(自身を除く): 171931590

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, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1601, 1800, 1875, 2250, 2500, 3000, 3202, 3750, 4500, 4803, 5000, 5625, 6404, 7500, 8005, 9000, 9606, 11250, 12808, 14409, 15000, 16010, 19212, 22500, 24015, 28818, 32020, 38424, 40025, 45000, 48030, 57636, 64040, 72045, 80050, 96060, 115272, 120075, 144090, 160100, 192120, 200125, 240150, 288180, 320200, 360225, 400250, 480300, 576360, 600375, 720450, 800500, 960600, 1000625, 1200750, 1440900, 1601000, 1801125, 2001250, 2401500, 2881800, 3001875, 3602250, 4002500, 4803000, 6003750, 7204500, 8005000, 9005625, 12007500, 14409000, 18011250, 24015000, 36022500, 72045000]

約数ペア:

[(1, 72045000), (2, 36022500), (3, 24015000), (4, 18011250), (5, 14409000), (6, 12007500), (8, 9005625), (9, 8005000), (10, 7204500), (12, 6003750), (15, 4803000), (18, 4002500), (20, 3602250), (24, 3001875), (25, 2881800), (30, 2401500), (36, 2001250), (40, 1801125), (45, 1601000), (50, 1440900), (60, 1200750), (72, 1000625), (75, 960600), (90, 800500), (100, 720450), (120, 600375), (125, 576360), (150, 480300), (180, 400250), (200, 360225), (225, 320200), (250, 288180), (300, 240150), (360, 200125), (375, 192120), (450, 160100), (500, 144090), (600, 120075), (625, 115272), (750, 96060), (900, 80050), (1000, 72045), (1125, 64040), (1250, 57636), (1500, 48030), (1601, 45000), (1800, 40025), (1875, 38424), (2250, 32020), (2500, 28818), (3000, 24015), (3202, 22500), (3750, 19212), (4500, 16010), (4803, 15000), (5000, 14409), (5625, 12808), (6404, 11250), (7500, 9606), (8005, 9000)]