217680120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{86381}}^1$

素因数の和:86405

約数の個数: 96

約数和(自身を含む): 808535520

約数和(自身を除く): 590855400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86381, 172762, 259143, 345524, 431905, 518286, 604667, 691048, 777429, 863810, 1036572, 1209334, 1295715, 1554858, 1727620, 1814001, 2073144, 2418668, 2591430, 3023335, 3109716, 3455240, 3628002, 3887145, 4837336, 5182860, 5442003, 6046670, 6219432, 7256004, 7774290, 9070005, 10365720, 10884006, 12093340, 14512008, 15548580, 18140010, 21768012, 24186680, 27210015, 31097160, 36280020, 43536024, 54420030, 72560040, 108840060, 217680120]

約数ペア:

[(1, 217680120), (2, 108840060), (3, 72560040), (4, 54420030), (5, 43536024), (6, 36280020), (7, 31097160), (8, 27210015), (9, 24186680), (10, 21768012), (12, 18140010), (14, 15548580), (15, 14512008), (18, 12093340), (20, 10884006), (21, 10365720), (24, 9070005), (28, 7774290), (30, 7256004), (35, 6219432), (36, 6046670), (40, 5442003), (42, 5182860), (45, 4837336), (56, 3887145), (60, 3628002), (63, 3455240), (70, 3109716), (72, 3023335), (84, 2591430), (90, 2418668), (105, 2073144), (120, 1814001), (126, 1727620), (140, 1554858), (168, 1295715), (180, 1209334), (210, 1036572), (252, 863810), (280, 777429), (315, 691048), (360, 604667), (420, 518286), (504, 431905), (630, 345524), (840, 259143), (1260, 172762), (2520, 86381)]