18121500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4027}}^1$

素因数の和:4052

約数の個数: 72

約数和(自身を含む): 57181488

約数和(自身を除く): 39059988

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, 4027, 4500, 8054, 12081, 16108, 20135, 24162, 36243, 40270, 48324, 60405, 72486, 80540, 100675, 120810, 144972, 181215, 201350, 241620, 302025, 362430, 402700, 503375, 604050, 724860, 906075, 1006750, 1208100, 1510125, 1812150, 2013500, 3020250, 3624300, 4530375, 6040500, 9060750, 18121500]

約数ペア:

[(1, 18121500), (2, 9060750), (3, 6040500), (4, 4530375), (5, 3624300), (6, 3020250), (9, 2013500), (10, 1812150), (12, 1510125), (15, 1208100), (18, 1006750), (20, 906075), (25, 724860), (30, 604050), (36, 503375), (45, 402700), (50, 362430), (60, 302025), (75, 241620), (90, 201350), (100, 181215), (125, 144972), (150, 120810), (180, 100675), (225, 80540), (250, 72486), (300, 60405), (375, 48324), (450, 40270), (500, 36243), (750, 24162), (900, 20135), (1125, 16108), (1500, 12081), (2250, 8054), (4027, 4500)]