206178280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 601318080

約数和(自身を除く): 395139800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 73, 77, 88, 98, 110, 131, 140, 146, 154, 196, 220, 245, 262, 280, 292, 308, 365, 385, 392, 440, 490, 511, 524, 539, 584, 616, 655, 730, 770, 803, 917, 980, 1022, 1048, 1078, 1310, 1441, 1460, 1540, 1606, 1834, 1960, 2044, 2156, 2555, 2620, 2695, 2882, 2920, 3080, 3212, 3577, 3668, 4015, 4088, 4312, 4585, 5110, 5240, 5390, 5621, 5764, 6419, 6424, 7154, 7205, 7336, 8030, 9170, 9563, 10087, 10220, 10780, 11242, 11528, 12838, 14308, 14410, 16060, 17885, 18340, 19126, 20174, 20440, 21560, 22484, 25676, 28105, 28616, 28820, 32095, 32120, 35770, 36680, 38252, 39347, 40348, 44968, 47815, 50435, 51352, 56210, 57640, 64190, 66941, 70609, 71540, 76504, 78694, 80696, 95630, 100870, 105193, 112420, 128380, 133882, 141218, 143080, 157388, 191260, 196735, 201740, 210386, 224840, 256760, 267764, 282436, 314776, 334705, 353045, 382520, 393470, 403480, 420772, 468587, 525965, 535528, 564872, 669410, 706090, 736351, 786940, 841544, 937174, 1051930, 1338820, 1412180, 1472702, 1573880, 1874348, 2103860, 2342935, 2677640, 2824360, 2945404, 3681755, 3748696, 4207720, 4685870, 5154457, 5890808, 7363510, 9371740, 10308914, 14727020, 18743480, 20617828, 25772285, 29454040, 41235656, 51544570, 103089140, 206178280]

約数ペア:

[(1, 206178280), (2, 103089140), (4, 51544570), (5, 41235656), (7, 29454040), (8, 25772285), (10, 20617828), (11, 18743480), (14, 14727020), (20, 10308914), (22, 9371740), (28, 7363510), (35, 5890808), (40, 5154457), (44, 4685870), (49, 4207720), (55, 3748696), (56, 3681755), (70, 2945404), (73, 2824360), (77, 2677640), (88, 2342935), (98, 2103860), (110, 1874348), (131, 1573880), (140, 1472702), (146, 1412180), (154, 1338820), (196, 1051930), (220, 937174), (245, 841544), (262, 786940), (280, 736351), (292, 706090), (308, 669410), (365, 564872), (385, 535528), (392, 525965), (440, 468587), (490, 420772), (511, 403480), (524, 393470), (539, 382520), (584, 353045), (616, 334705), (655, 314776), (730, 282436), (770, 267764), (803, 256760), (917, 224840), (980, 210386), (1022, 201740), (1048, 196735), (1078, 191260), (1310, 157388), (1441, 143080), (1460, 141218), (1540, 133882), (1606, 128380), (1834, 112420), (1960, 105193), (2044, 100870), (2156, 95630), (2555, 80696), (2620, 78694), (2695, 76504), (2882, 71540), (2920, 70609), (3080, 66941), (3212, 64190), (3577, 57640), (3668, 56210), (4015, 51352), (4088, 50435), (4312, 47815), (4585, 44968), (5110, 40348), (5240, 39347), (5390, 38252), (5621, 36680), (5764, 35770), (6419, 32120), (6424, 32095), (7154, 28820), (7205, 28616), (7336, 28105), (8030, 25676), (9170, 22484), (9563, 21560), (10087, 20440), (10220, 20174), (10780, 19126), (11242, 18340), (11528, 17885), (12838, 16060), (14308, 14410)]