18665160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 37883640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1427, 1635, 2180, 2616, 2854, 3270, 4281, 4360, 5708, 6540, 7135, 8562, 11416, 13080, 14270, 17124, 21405, 28540, 34248, 42810, 57080, 85620, 155543, 171240, 311086, 466629, 622172, 777715, 933258, 1244344, 1555430, 1866516, 2333145, 3110860, 3733032, 4666290, 6221720, 9332580, 18665160]

約数ペア:

[(1, 18665160), (2, 9332580), (3, 6221720), (4, 4666290), (5, 3733032), (6, 3110860), (8, 2333145), (10, 1866516), (12, 1555430), (15, 1244344), (20, 933258), (24, 777715), (30, 622172), (40, 466629), (60, 311086), (109, 171240), (120, 155543), (218, 85620), (327, 57080), (436, 42810), (545, 34248), (654, 28540), (872, 21405), (1090, 17124), (1308, 14270), (1427, 13080), (1635, 11416), (2180, 8562), (2616, 7135), (2854, 6540), (3270, 5708), (4281, 4360)]