81991440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12653}}^1$

素因数の和:12678

約数の個数: 100

約数和(自身を含む): 284790924

約数和(自身を除く): 202799484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12653, 25306, 37959, 50612, 63265, 75918, 101224, 113877, 126530, 151836, 189795, 202448, 227754, 253060, 303672, 341631, 379590, 455508, 506120, 569385, 607344, 683262, 759180, 911016, 1012240, 1024893, 1138770, 1366524, 1518360, 1708155, 1822032, 2049786, 2277540, 2733048, 3036720, 3416310, 4099572, 4555080, 5124465, 5466096, 6832620, 8199144, 9110160, 10248930, 13665240, 16398288, 20497860, 27330480, 40995720, 81991440]

約数ペア:

[(1, 81991440), (2, 40995720), (3, 27330480), (4, 20497860), (5, 16398288), (6, 13665240), (8, 10248930), (9, 9110160), (10, 8199144), (12, 6832620), (15, 5466096), (16, 5124465), (18, 4555080), (20, 4099572), (24, 3416310), (27, 3036720), (30, 2733048), (36, 2277540), (40, 2049786), (45, 1822032), (48, 1708155), (54, 1518360), (60, 1366524), (72, 1138770), (80, 1024893), (81, 1012240), (90, 911016), (108, 759180), (120, 683262), (135, 607344), (144, 569385), (162, 506120), (180, 455508), (216, 379590), (240, 341631), (270, 303672), (324, 253060), (360, 227754), (405, 202448), (432, 189795), (540, 151836), (648, 126530), (720, 113877), (810, 101224), (1080, 75918), (1296, 63265), (1620, 50612), (2160, 37959), (3240, 25306), (6480, 12653)]