720154080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{500107}}^1$

素因数の和:500128

約数の個数: 72

約数和(自身を含む): 2457530712

約数和(自身を除く): 1737376632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 500107, 1000214, 1500321, 2000428, 2500535, 3000642, 4000856, 4500963, 5001070, 6001284, 7501605, 8001712, 9001926, 10002140, 12002568, 15003210, 16003424, 18003852, 20004280, 22504815, 24005136, 30006420, 36007704, 40008560, 45009630, 48010272, 60012840, 72015408, 80017120, 90019260, 120025680, 144030816, 180038520, 240051360, 360077040, 720154080]

約数ペア:

[(1, 720154080), (2, 360077040), (3, 240051360), (4, 180038520), (5, 144030816), (6, 120025680), (8, 90019260), (9, 80017120), (10, 72015408), (12, 60012840), (15, 48010272), (16, 45009630), (18, 40008560), (20, 36007704), (24, 30006420), (30, 24005136), (32, 22504815), (36, 20004280), (40, 18003852), (45, 16003424), (48, 15003210), (60, 12002568), (72, 10002140), (80, 9001926), (90, 8001712), (96, 7501605), (120, 6001284), (144, 5001070), (160, 4500963), (180, 4000856), (240, 3000642), (288, 2500535), (360, 2000428), (480, 1500321), (720, 1000214), (1440, 500107)]