259552020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6791}}^1$

素因数の和:6830

約数の個数: 144

約数和(自身を含む): 910562688

約数和(自身を除く): 651010668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 6791, 7644, 9555, 12740, 13582, 19110, 20373, 27164, 33955, 38220, 40746, 47537, 67910, 81492, 88283, 95074, 101865, 135820, 142611, 176566, 190148, 203730, 237685, 264849, 285222, 332759, 353132, 407460, 441415, 475370, 529698, 570444, 617981, 665518, 713055, 882830, 950740, 998277, 1059396, 1235962, 1324245, 1331036, 1426110, 1663795, 1765660, 1853943, 1996554, 2471924, 2648490, 2852220, 3089905, 3327590, 3707886, 3993108, 4325867, 4991385, 5296980, 6179810, 6655180, 7415772, 8651734, 9269715, 9982770, 12359620, 12977601, 17303468, 18539430, 19965540, 21629335, 25955202, 37078860, 43258670, 51910404, 64888005, 86517340, 129776010, 259552020]

約数ペア:

[(1, 259552020), (2, 129776010), (3, 86517340), (4, 64888005), (5, 51910404), (6, 43258670), (7, 37078860), (10, 25955202), (12, 21629335), (13, 19965540), (14, 18539430), (15, 17303468), (20, 12977601), (21, 12359620), (26, 9982770), (28, 9269715), (30, 8651734), (35, 7415772), (39, 6655180), (42, 6179810), (49, 5296980), (52, 4991385), (60, 4325867), (65, 3993108), (70, 3707886), (78, 3327590), (84, 3089905), (91, 2852220), (98, 2648490), (105, 2471924), (130, 1996554), (140, 1853943), (147, 1765660), (156, 1663795), (182, 1426110), (195, 1331036), (196, 1324245), (210, 1235962), (245, 1059396), (260, 998277), (273, 950740), (294, 882830), (364, 713055), (390, 665518), (420, 617981), (455, 570444), (490, 529698), (546, 475370), (588, 441415), (637, 407460), (735, 353132), (780, 332759), (910, 285222), (980, 264849), (1092, 237685), (1274, 203730), (1365, 190148), (1470, 176566), (1820, 142611), (1911, 135820), (2548, 101865), (2730, 95074), (2940, 88283), (3185, 81492), (3822, 67910), (5460, 47537), (6370, 40746), (6791, 38220), (7644, 33955), (9555, 27164), (12740, 20373), (13582, 19110)]