18220320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12653}}^1$

素因数の和:12674

約数の個数: 72

約数和(自身を含む): 62181756

約数和(自身を除く): 43961436

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, 12653, 25306, 37959, 50612, 63265, 75918, 101224, 113877, 126530, 151836, 189795, 202448, 227754, 253060, 303672, 379590, 404896, 455508, 506120, 569385, 607344, 759180, 911016, 1012240, 1138770, 1214688, 1518360, 1822032, 2024480, 2277540, 3036720, 3644064, 4555080, 6073440, 9110160, 18220320]

約数ペア:

[(1, 18220320), (2, 9110160), (3, 6073440), (4, 4555080), (5, 3644064), (6, 3036720), (8, 2277540), (9, 2024480), (10, 1822032), (12, 1518360), (15, 1214688), (16, 1138770), (18, 1012240), (20, 911016), (24, 759180), (30, 607344), (32, 569385), (36, 506120), (40, 455508), (45, 404896), (48, 379590), (60, 303672), (72, 253060), (80, 227754), (90, 202448), (96, 189795), (120, 151836), (144, 126530), (160, 113877), (180, 101224), (240, 75918), (288, 63265), (360, 50612), (480, 37959), (720, 25306), (1440, 12653)]