18966240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13171}}^1$

素因数の和:13192

約数の個数: 72

約数和(自身を含む): 64727208

約数和(自身を除く): 45760968

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, 13171, 26342, 39513, 52684, 65855, 79026, 105368, 118539, 131710, 158052, 197565, 210736, 237078, 263420, 316104, 395130, 421472, 474156, 526840, 592695, 632208, 790260, 948312, 1053680, 1185390, 1264416, 1580520, 1896624, 2107360, 2370780, 3161040, 3793248, 4741560, 6322080, 9483120, 18966240]

約数ペア:

[(1, 18966240), (2, 9483120), (3, 6322080), (4, 4741560), (5, 3793248), (6, 3161040), (8, 2370780), (9, 2107360), (10, 1896624), (12, 1580520), (15, 1264416), (16, 1185390), (18, 1053680), (20, 948312), (24, 790260), (30, 632208), (32, 592695), (36, 526840), (40, 474156), (45, 421472), (48, 395130), (60, 316104), (72, 263420), (80, 237078), (90, 210736), (96, 197565), (120, 158052), (144, 131710), (160, 118539), (180, 105368), (240, 79026), (288, 65855), (360, 52684), (480, 39513), (720, 26342), (1440, 13171)]