1668290260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 144

約数和(自身を含む): 4427136000

約数和(自身を除く): 2758845740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 343, 364, 455, 490, 637, 676, 686, 845, 910, 980, 1183, 1274, 1372, 1439, 1690, 1715, 1820, 2366, 2548, 2878, 3185, 3380, 3430, 4459, 4732, 5756, 5915, 6370, 6860, 7195, 8281, 8918, 10073, 11830, 12740, 14390, 16562, 17836, 18707, 20146, 22295, 23660, 28780, 33124, 37414, 40292, 41405, 44590, 50365, 57967, 70511, 74828, 82810, 89180, 93535, 100730, 115934, 130949, 141022, 165620, 187070, 201460, 231868, 243191, 261898, 282044, 289835, 352555, 374140, 486382, 493577, 523796, 579670, 654745, 705110, 916643, 972764, 987154, 1159340, 1215955, 1309490, 1410220, 1702337, 1833286, 1974308, 2431910, 2467885, 2618980, 3404674, 3666572, 4583215, 4863820, 4935770, 6416501, 6809348, 8511685, 9166430, 9871540, 11916359, 12833002, 17023370, 18332860, 23832718, 25666004, 32082505, 34046740, 47665436, 59581795, 64165010, 83414513, 119163590, 128330020, 166829026, 238327180, 333658052, 417072565, 834145130, 1668290260]

約数ペア:

[(1, 1668290260), (2, 834145130), (4, 417072565), (5, 333658052), (7, 238327180), (10, 166829026), (13, 128330020), (14, 119163590), (20, 83414513), (26, 64165010), (28, 59581795), (35, 47665436), (49, 34046740), (52, 32082505), (65, 25666004), (70, 23832718), (91, 18332860), (98, 17023370), (130, 12833002), (140, 11916359), (169, 9871540), (182, 9166430), (196, 8511685), (245, 6809348), (260, 6416501), (338, 4935770), (343, 4863820), (364, 4583215), (455, 3666572), (490, 3404674), (637, 2618980), (676, 2467885), (686, 2431910), (845, 1974308), (910, 1833286), (980, 1702337), (1183, 1410220), (1274, 1309490), (1372, 1215955), (1439, 1159340), (1690, 987154), (1715, 972764), (1820, 916643), (2366, 705110), (2548, 654745), (2878, 579670), (3185, 523796), (3380, 493577), (3430, 486382), (4459, 374140), (4732, 352555), (5756, 289835), (5915, 282044), (6370, 261898), (6860, 243191), (7195, 231868), (8281, 201460), (8918, 187070), (10073, 165620), (11830, 141022), (12740, 130949), (14390, 115934), (16562, 100730), (17836, 93535), (18707, 89180), (20146, 82810), (22295, 74828), (23660, 70511), (28780, 57967), (33124, 50365), (37414, 44590), (40292, 41405)]