90120240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17881}}^1$

素因数の和:17907

約数の個数: 120

約数和(自身を含む): 345909408

約数和(自身を除く): 255789168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 17881, 35762, 53643, 71524, 89405, 107286, 125167, 143048, 160929, 178810, 214572, 250334, 268215, 286096, 321858, 357620, 375501, 429144, 500668, 536430, 625835, 643716, 715240, 751002, 804645, 858288, 1001336, 1072860, 1126503, 1251670, 1287432, 1430480, 1502004, 1609290, 1877505, 2002672, 2145720, 2253006, 2503340, 2574864, 3004008, 3218580, 3755010, 4291440, 4506012, 5006680, 5632515, 6008016, 6437160, 7510020, 9012024, 10013360, 11265030, 12874320, 15020040, 18024048, 22530060, 30040080, 45060120, 90120240]

約数ペア:

[(1, 90120240), (2, 45060120), (3, 30040080), (4, 22530060), (5, 18024048), (6, 15020040), (7, 12874320), (8, 11265030), (9, 10013360), (10, 9012024), (12, 7510020), (14, 6437160), (15, 6008016), (16, 5632515), (18, 5006680), (20, 4506012), (21, 4291440), (24, 3755010), (28, 3218580), (30, 3004008), (35, 2574864), (36, 2503340), (40, 2253006), (42, 2145720), (45, 2002672), (48, 1877505), (56, 1609290), (60, 1502004), (63, 1430480), (70, 1287432), (72, 1251670), (80, 1126503), (84, 1072860), (90, 1001336), (105, 858288), (112, 804645), (120, 751002), (126, 715240), (140, 643716), (144, 625835), (168, 536430), (180, 500668), (210, 429144), (240, 375501), (252, 357620), (280, 321858), (315, 286096), (336, 268215), (360, 250334), (420, 214572), (504, 178810), (560, 160929), (630, 143048), (720, 125167), (840, 107286), (1008, 89405), (1260, 71524), (1680, 53643), (2520, 35762), (5040, 17881)]