18021720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{839}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 36410280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 839, 895, 1074, 1432, 1678, 1790, 2148, 2517, 2685, 3356, 3580, 4195, 4296, 5034, 5370, 6712, 7160, 8390, 10068, 10740, 12585, 16780, 20136, 21480, 25170, 33560, 50340, 100680, 150181, 300362, 450543, 600724, 750905, 901086, 1201448, 1501810, 1802172, 2252715, 3003620, 3604344, 4505430, 6007240, 9010860, 18021720]

約数ペア:

[(1, 18021720), (2, 9010860), (3, 6007240), (4, 4505430), (5, 3604344), (6, 3003620), (8, 2252715), (10, 1802172), (12, 1501810), (15, 1201448), (20, 901086), (24, 750905), (30, 600724), (40, 450543), (60, 300362), (120, 150181), (179, 100680), (358, 50340), (537, 33560), (716, 25170), (839, 21480), (895, 20136), (1074, 16780), (1432, 12585), (1678, 10740), (1790, 10068), (2148, 8390), (2517, 7160), (2685, 6712), (3356, 5370), (3580, 5034), (4195, 4296)]