217465740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20477}}^1$

素因数の和:20551

約数の個数: 72

約数和(自身を含む): 670859280

約数和(自身を除く): 453393540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 20477, 40954, 61431, 81908, 102385, 122862, 184293, 204770, 245724, 307155, 368586, 409540, 614310, 737172, 921465, 1208143, 1228620, 1842930, 2416286, 3624429, 3685860, 4832572, 6040715, 7248858, 10873287, 12081430, 14497716, 18122145, 21746574, 24162860, 36244290, 43493148, 54366435, 72488580, 108732870, 217465740]

約数ペア:

[(1, 217465740), (2, 108732870), (3, 72488580), (4, 54366435), (5, 43493148), (6, 36244290), (9, 24162860), (10, 21746574), (12, 18122145), (15, 14497716), (18, 12081430), (20, 10873287), (30, 7248858), (36, 6040715), (45, 4832572), (59, 3685860), (60, 3624429), (90, 2416286), (118, 1842930), (177, 1228620), (180, 1208143), (236, 921465), (295, 737172), (354, 614310), (531, 409540), (590, 368586), (708, 307155), (885, 245724), (1062, 204770), (1180, 184293), (1770, 122862), (2124, 102385), (2655, 81908), (3540, 61431), (5310, 40954), (10620, 20477)]