2128478520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:534

約数の個数: 256

約数和(自身を含む): 7491594240

約数和(自身を除く): 5363115720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 103, 105, 120, 140, 146, 168, 206, 210, 219, 280, 292, 309, 337, 365, 412, 420, 438, 511, 515, 584, 618, 674, 721, 730, 824, 840, 876, 1011, 1022, 1030, 1095, 1236, 1348, 1442, 1460, 1533, 1545, 1685, 1752, 2022, 2044, 2060, 2163, 2190, 2359, 2472, 2555, 2696, 2884, 2920, 3066, 3090, 3370, 3605, 4044, 4088, 4120, 4326, 4380, 4718, 5055, 5110, 5768, 6132, 6180, 6740, 7077, 7210, 7519, 7665, 8088, 8652, 8760, 9436, 10110, 10220, 10815, 11795, 12264, 12360, 13480, 14154, 14420, 15038, 15330, 17304, 18872, 20220, 20440, 21630, 22557, 23590, 24601, 28308, 28840, 30076, 30660, 34711, 35385, 37595, 40440, 43260, 45114, 47180, 49202, 52633, 56616, 60152, 61320, 69422, 70770, 73803, 75190, 86520, 90228, 94360, 98404, 104133, 105266, 112785, 123005, 138844, 141540, 147606, 150380, 157899, 172207, 173555, 180456, 196808, 208266, 210532, 225570, 242977, 246010, 263165, 277688, 283080, 295212, 300760, 315798, 344414, 347110, 369015, 416532, 421064, 451140, 485954, 492020, 516621, 520665, 526330, 590424, 631596, 688828, 694220, 728931, 738030, 789495, 833064, 861035, 902280, 971908, 984040, 1033242, 1041330, 1052660, 1214885, 1263192, 1377656, 1388440, 1457862, 1476060, 1578990, 1722070, 1943816, 2066484, 2082660, 2105320, 2429770, 2533903, 2583105, 2915724, 2952120, 3157980, 3444140, 3644655, 4132968, 4165320, 4859540, 5067806, 5166210, 5831448, 6315960, 6888280, 7289310, 7601709, 9719080, 10135612, 10332420, 12669515, 14578620, 15203418, 17737321, 20271224, 20664840, 25339030, 29157240, 30406836, 35474642, 38008545, 50678060, 53211963, 60813672, 70949284, 76017090, 88686605, 101356120, 106423926, 141898568, 152034180, 177373210, 212847852, 266059815, 304068360, 354746420, 425695704, 532119630, 709492840, 1064239260, 2128478520]

約数ペア:

[(1, 2128478520), (2, 1064239260), (3, 709492840), (4, 532119630), (5, 425695704), (6, 354746420), (7, 304068360), (8, 266059815), (10, 212847852), (12, 177373210), (14, 152034180), (15, 141898568), (20, 106423926), (21, 101356120), (24, 88686605), (28, 76017090), (30, 70949284), (35, 60813672), (40, 53211963), (42, 50678060), (56, 38008545), (60, 35474642), (70, 30406836), (73, 29157240), (84, 25339030), (103, 20664840), (105, 20271224), (120, 17737321), (140, 15203418), (146, 14578620), (168, 12669515), (206, 10332420), (210, 10135612), (219, 9719080), (280, 7601709), (292, 7289310), (309, 6888280), (337, 6315960), (365, 5831448), (412, 5166210), (420, 5067806), (438, 4859540), (511, 4165320), (515, 4132968), (584, 3644655), (618, 3444140), (674, 3157980), (721, 2952120), (730, 2915724), (824, 2583105), (840, 2533903), (876, 2429770), (1011, 2105320), (1022, 2082660), (1030, 2066484), (1095, 1943816), (1236, 1722070), (1348, 1578990), (1442, 1476060), (1460, 1457862), (1533, 1388440), (1545, 1377656), (1685, 1263192), (1752, 1214885), (2022, 1052660), (2044, 1041330), (2060, 1033242), (2163, 984040), (2190, 971908), (2359, 902280), (2472, 861035), (2555, 833064), (2696, 789495), (2884, 738030), (2920, 728931), (3066, 694220), (3090, 688828), (3370, 631596), (3605, 590424), (4044, 526330), (4088, 520665), (4120, 516621), (4326, 492020), (4380, 485954), (4718, 451140), (5055, 421064), (5110, 416532), (5768, 369015), (6132, 347110), (6180, 344414), (6740, 315798), (7077, 300760), (7210, 295212), (7519, 283080), (7665, 277688), (8088, 263165), (8652, 246010), (8760, 242977), (9436, 225570), (10110, 210532), (10220, 208266), (10815, 196808), (11795, 180456), (12264, 173555), (12360, 172207), (13480, 157899), (14154, 150380), (14420, 147606), (15038, 141540), (15330, 138844), (17304, 123005), (18872, 112785), (20220, 105266), (20440, 104133), (21630, 98404), (22557, 94360), (23590, 90228), (24601, 86520), (28308, 75190), (28840, 73803), (30076, 70770), (30660, 69422), (34711, 61320), (35385, 60152), (37595, 56616), (40440, 52633), (43260, 49202), (45114, 47180)]