72881280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{12653}}^1$

素因数の和:12678

約数の個数: 96

約数和(自身を含む): 251688060

約数和(自身を除く): 178806780

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 12653, 25306, 37959, 50612, 63265, 75918, 101224, 113877, 126530, 151836, 189795, 202448, 227754, 253060, 303672, 379590, 404896, 455508, 506120, 569385, 607344, 759180, 809792, 911016, 1012240, 1138770, 1214688, 1518360, 1619584, 1822032, 2024480, 2277540, 2429376, 3036720, 3644064, 4048960, 4555080, 4858752, 6073440, 7288128, 8097920, 9110160, 12146880, 14576256, 18220320, 24293760, 36440640, 72881280]

約数ペア:

[(1, 72881280), (2, 36440640), (3, 24293760), (4, 18220320), (5, 14576256), (6, 12146880), (8, 9110160), (9, 8097920), (10, 7288128), (12, 6073440), (15, 4858752), (16, 4555080), (18, 4048960), (20, 3644064), (24, 3036720), (30, 2429376), (32, 2277540), (36, 2024480), (40, 1822032), (45, 1619584), (48, 1518360), (60, 1214688), (64, 1138770), (72, 1012240), (80, 911016), (90, 809792), (96, 759180), (120, 607344), (128, 569385), (144, 506120), (160, 455508), (180, 404896), (192, 379590), (240, 303672), (288, 253060), (320, 227754), (360, 202448), (384, 189795), (480, 151836), (576, 126530), (640, 113877), (720, 101224), (960, 75918), (1152, 63265), (1440, 50612), (1920, 37959), (2880, 25306), (5760, 12653)]