18123120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25171}}^1$

素因数の和:25190

約数の個数: 60

約数和(自身を含む): 60865896

約数和(自身を除く): 42742776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25171, 50342, 75513, 100684, 125855, 151026, 201368, 226539, 251710, 302052, 377565, 402736, 453078, 503420, 604104, 755130, 906156, 1006840, 1132695, 1208208, 1510260, 1812312, 2013680, 2265390, 3020520, 3624624, 4530780, 6041040, 9061560, 18123120]

約数ペア:

[(1, 18123120), (2, 9061560), (3, 6041040), (4, 4530780), (5, 3624624), (6, 3020520), (8, 2265390), (9, 2013680), (10, 1812312), (12, 1510260), (15, 1208208), (16, 1132695), (18, 1006840), (20, 906156), (24, 755130), (30, 604104), (36, 503420), (40, 453078), (45, 402736), (48, 377565), (60, 302052), (72, 251710), (80, 226539), (90, 201368), (120, 151026), (144, 125855), (180, 100684), (240, 75513), (360, 50342), (720, 25171)]