1280555514

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1550

約数の個数: 128

約数和(自身を含む): 3391488000

約数和(自身を除く): 2110932486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 49, 54, 63, 94, 98, 126, 141, 147, 189, 282, 294, 329, 343, 378, 423, 441, 658, 686, 846, 882, 987, 1029, 1269, 1323, 1471, 1974, 2058, 2303, 2538, 2646, 2942, 2961, 3087, 4413, 4606, 5922, 6174, 6909, 8826, 8883, 9261, 10297, 13239, 13818, 16121, 17766, 18522, 20594, 20727, 26478, 30891, 32242, 39717, 41454, 48363, 61782, 62181, 69137, 72079, 79434, 92673, 96726, 124362, 138274, 144158, 145089, 185346, 207411, 216237, 278019, 290178, 414822, 432474, 435267, 483959, 504553, 556038, 622233, 648711, 870534, 967918, 1009106, 1244466, 1297422, 1451877, 1513659, 1866699, 1946133, 2903754, 3027318, 3387713, 3733398, 3892266, 4355631, 4540977, 6775426, 8711262, 9081954, 10163139, 13066893, 13622931, 20326278, 23713991, 26133786, 27245862, 30489417, 47427982, 60978834, 71141973, 91468251, 142283946, 182936502, 213425919, 426851838, 640277757, 1280555514]

約数ペア:

[(1, 1280555514), (2, 640277757), (3, 426851838), (6, 213425919), (7, 182936502), (9, 142283946), (14, 91468251), (18, 71141973), (21, 60978834), (27, 47427982), (42, 30489417), (47, 27245862), (49, 26133786), (54, 23713991), (63, 20326278), (94, 13622931), (98, 13066893), (126, 10163139), (141, 9081954), (147, 8711262), (189, 6775426), (282, 4540977), (294, 4355631), (329, 3892266), (343, 3733398), (378, 3387713), (423, 3027318), (441, 2903754), (658, 1946133), (686, 1866699), (846, 1513659), (882, 1451877), (987, 1297422), (1029, 1244466), (1269, 1009106), (1323, 967918), (1471, 870534), (1974, 648711), (2058, 622233), (2303, 556038), (2538, 504553), (2646, 483959), (2942, 435267), (2961, 432474), (3087, 414822), (4413, 290178), (4606, 278019), (5922, 216237), (6174, 207411), (6909, 185346), (8826, 145089), (8883, 144158), (9261, 138274), (10297, 124362), (13239, 96726), (13818, 92673), (16121, 79434), (17766, 72079), (18522, 69137), (20594, 62181), (20727, 61782), (26478, 48363), (30891, 41454), (32242, 39717)]