81200880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4177}}^1$

素因数の和:4205

約数の個数: 120

約数和(自身を含む): 282867312

約数和(自身を除く): 201666432

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4177, 4860, 6480, 8354, 9720, 12531, 16708, 19440, 20885, 25062, 33416, 37593, 41770, 50124, 62655, 66832, 75186, 83540, 100248, 112779, 125310, 150372, 167080, 187965, 200496, 225558, 250620, 300744, 334160, 338337, 375930, 451116, 501240, 563895, 601488, 676674, 751860, 902232, 1002480, 1015011, 1127790, 1353348, 1503720, 1691685, 1804464, 2030022, 2255580, 2706696, 3007440, 3383370, 4060044, 4511160, 5075055, 5413392, 6766740, 8120088, 9022320, 10150110, 13533480, 16240176, 20300220, 27066960, 40600440, 81200880]

約数ペア:

[(1, 81200880), (2, 40600440), (3, 27066960), (4, 20300220), (5, 16240176), (6, 13533480), (8, 10150110), (9, 9022320), (10, 8120088), (12, 6766740), (15, 5413392), (16, 5075055), (18, 4511160), (20, 4060044), (24, 3383370), (27, 3007440), (30, 2706696), (36, 2255580), (40, 2030022), (45, 1804464), (48, 1691685), (54, 1503720), (60, 1353348), (72, 1127790), (80, 1015011), (81, 1002480), (90, 902232), (108, 751860), (120, 676674), (135, 601488), (144, 563895), (162, 501240), (180, 451116), (216, 375930), (240, 338337), (243, 334160), (270, 300744), (324, 250620), (360, 225558), (405, 200496), (432, 187965), (486, 167080), (540, 150372), (648, 125310), (720, 112779), (810, 100248), (972, 83540), (1080, 75186), (1215, 66832), (1296, 62655), (1620, 50124), (1944, 41770), (2160, 37593), (2430, 33416), (3240, 25062), (3888, 20885), (4177, 19440), (4860, 16708), (6480, 12531), (8354, 9720)]