16820640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11681}}^1$

素因数の和:11702

約数の個数: 72

約数和(自身を含む): 57405348

約数和(自身を除く): 40584708

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, 11681, 23362, 35043, 46724, 58405, 70086, 93448, 105129, 116810, 140172, 175215, 186896, 210258, 233620, 280344, 350430, 373792, 420516, 467240, 525645, 560688, 700860, 841032, 934480, 1051290, 1121376, 1401720, 1682064, 1868960, 2102580, 2803440, 3364128, 4205160, 5606880, 8410320, 16820640]

約数ペア:

[(1, 16820640), (2, 8410320), (3, 5606880), (4, 4205160), (5, 3364128), (6, 2803440), (8, 2102580), (9, 1868960), (10, 1682064), (12, 1401720), (15, 1121376), (16, 1051290), (18, 934480), (20, 841032), (24, 700860), (30, 560688), (32, 525645), (36, 467240), (40, 420516), (45, 373792), (48, 350430), (60, 280344), (72, 233620), (80, 210258), (90, 186896), (96, 175215), (120, 140172), (144, 116810), (160, 105129), (180, 93448), (240, 70086), (288, 58405), (360, 46724), (480, 35043), (720, 23362), (1440, 11681)]