161258020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2137}}^1$

素因数の和:2178

約数の個数: 96

約数和(自身を含む): 431020800

約数和(自身を除く): 269762780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 686, 770, 980, 1078, 1372, 1540, 1715, 2137, 2156, 2695, 3430, 3773, 4274, 5390, 6860, 7546, 8548, 10685, 10780, 14959, 15092, 18865, 21370, 23507, 29918, 37730, 42740, 47014, 59836, 74795, 75460, 94028, 104713, 117535, 149590, 164549, 209426, 235070, 299180, 329098, 418852, 470140, 523565, 658196, 732991, 822745, 1047130, 1151843, 1465982, 1645490, 2094260, 2303686, 2931964, 3290980, 3664955, 4607372, 5759215, 7329910, 8062901, 11518430, 14659820, 16125802, 23036860, 32251604, 40314505, 80629010, 161258020]

約数ペア:

[(1, 161258020), (2, 80629010), (4, 40314505), (5, 32251604), (7, 23036860), (10, 16125802), (11, 14659820), (14, 11518430), (20, 8062901), (22, 7329910), (28, 5759215), (35, 4607372), (44, 3664955), (49, 3290980), (55, 2931964), (70, 2303686), (77, 2094260), (98, 1645490), (110, 1465982), (140, 1151843), (154, 1047130), (196, 822745), (220, 732991), (245, 658196), (308, 523565), (343, 470140), (385, 418852), (490, 329098), (539, 299180), (686, 235070), (770, 209426), (980, 164549), (1078, 149590), (1372, 117535), (1540, 104713), (1715, 94028), (2137, 75460), (2156, 74795), (2695, 59836), (3430, 47014), (3773, 42740), (4274, 37730), (5390, 29918), (6860, 23507), (7546, 21370), (8548, 18865), (10685, 15092), (10780, 14959)]