205200270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{571}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 602933760

約数和(自身を除く): 397733490

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 121, 135, 165, 198, 242, 270, 297, 330, 363, 495, 571, 594, 605, 726, 990, 1089, 1142, 1210, 1331, 1485, 1713, 1815, 2178, 2662, 2855, 2970, 3267, 3426, 3630, 3993, 5139, 5445, 5710, 6281, 6534, 6655, 7986, 8565, 10278, 10890, 11979, 12562, 13310, 15417, 16335, 17130, 18843, 19965, 23958, 25695, 30834, 31405, 32670, 35937, 37686, 39930, 51390, 56529, 59895, 62810, 69091, 71874, 77085, 94215, 113058, 119790, 138182, 154170, 169587, 179685, 188430, 207273, 282645, 339174, 345455, 359370, 414546, 565290, 621819, 690910, 760001, 847935, 1036365, 1243638, 1520002, 1695870, 1865457, 2072730, 2280003, 3109095, 3730914, 3800005, 4560006, 6218190, 6840009, 7600010, 9327285, 11400015, 13680018, 18654570, 20520027, 22800030, 34200045, 41040054, 68400090, 102600135, 205200270]

約数ペア:

[(1, 205200270), (2, 102600135), (3, 68400090), (5, 41040054), (6, 34200045), (9, 22800030), (10, 20520027), (11, 18654570), (15, 13680018), (18, 11400015), (22, 9327285), (27, 7600010), (30, 6840009), (33, 6218190), (45, 4560006), (54, 3800005), (55, 3730914), (66, 3109095), (90, 2280003), (99, 2072730), (110, 1865457), (121, 1695870), (135, 1520002), (165, 1243638), (198, 1036365), (242, 847935), (270, 760001), (297, 690910), (330, 621819), (363, 565290), (495, 414546), (571, 359370), (594, 345455), (605, 339174), (726, 282645), (990, 207273), (1089, 188430), (1142, 179685), (1210, 169587), (1331, 154170), (1485, 138182), (1713, 119790), (1815, 113058), (2178, 94215), (2662, 77085), (2855, 71874), (2970, 69091), (3267, 62810), (3426, 59895), (3630, 56529), (3993, 51390), (5139, 39930), (5445, 37686), (5710, 35937), (6281, 32670), (6534, 31405), (6655, 30834), (7986, 25695), (8565, 23958), (10278, 19965), (10890, 18843), (11979, 17130), (12562, 16335), (13310, 15417)]