81090720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{6257}}^1$

素因数の和:6284

約数の個数: 120

約数和(自身を含む): 286228404

約数和(自身を除く): 205137684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6257, 6480, 12514, 12960, 18771, 25028, 31285, 37542, 50056, 56313, 62570, 75084, 93855, 100112, 112626, 125140, 150168, 168939, 187710, 200224, 225252, 250280, 281565, 300336, 337878, 375420, 450504, 500560, 506817, 563130, 600672, 675756, 750840, 844695, 901008, 1001120, 1013634, 1126260, 1351512, 1501680, 1689390, 1802016, 2027268, 2252520, 2534085, 2703024, 3003360, 3378780, 4054536, 4505040, 5068170, 5406048, 6757560, 8109072, 9010080, 10136340, 13515120, 16218144, 20272680, 27030240, 40545360, 81090720]

約数ペア:

[(1, 81090720), (2, 40545360), (3, 27030240), (4, 20272680), (5, 16218144), (6, 13515120), (8, 10136340), (9, 9010080), (10, 8109072), (12, 6757560), (15, 5406048), (16, 5068170), (18, 4505040), (20, 4054536), (24, 3378780), (27, 3003360), (30, 2703024), (32, 2534085), (36, 2252520), (40, 2027268), (45, 1802016), (48, 1689390), (54, 1501680), (60, 1351512), (72, 1126260), (80, 1013634), (81, 1001120), (90, 901008), (96, 844695), (108, 750840), (120, 675756), (135, 600672), (144, 563130), (160, 506817), (162, 500560), (180, 450504), (216, 375420), (240, 337878), (270, 300336), (288, 281565), (324, 250280), (360, 225252), (405, 200224), (432, 187710), (480, 168939), (540, 150168), (648, 125140), (720, 112626), (810, 100112), (864, 93855), (1080, 75084), (1296, 62570), (1440, 56313), (1620, 50056), (2160, 37542), (2592, 31285), (3240, 25028), (4320, 18771), (6257, 12960), (6480, 12514)]