198872520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21523}}^1$

素因数の和:21555

約数の個数: 128

約数和(自身を含む): 743869440

約数和(自身を除く): 544996920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 21523, 43046, 64569, 86092, 107615, 129138, 150661, 172184, 215230, 236753, 258276, 301322, 322845, 430460, 451983, 473506, 516552, 602644, 645690, 710259, 753305, 860920, 903966, 947012, 1183765, 1205288, 1291380, 1420518, 1506610, 1657271, 1807932, 1894024, 2259915, 2367530, 2582760, 2841036, 3013220, 3314542, 3551295, 3615864, 4519830, 4735060, 4971813, 5682072, 6026440, 6629084, 7102590, 8286355, 9039660, 9470120, 9943626, 13258168, 14205180, 16572710, 18079320, 19887252, 24859065, 28410360, 33145420, 39774504, 49718130, 66290840, 99436260, 198872520]

約数ペア:

[(1, 198872520), (2, 99436260), (3, 66290840), (4, 49718130), (5, 39774504), (6, 33145420), (7, 28410360), (8, 24859065), (10, 19887252), (11, 18079320), (12, 16572710), (14, 14205180), (15, 13258168), (20, 9943626), (21, 9470120), (22, 9039660), (24, 8286355), (28, 7102590), (30, 6629084), (33, 6026440), (35, 5682072), (40, 4971813), (42, 4735060), (44, 4519830), (55, 3615864), (56, 3551295), (60, 3314542), (66, 3013220), (70, 2841036), (77, 2582760), (84, 2367530), (88, 2259915), (105, 1894024), (110, 1807932), (120, 1657271), (132, 1506610), (140, 1420518), (154, 1291380), (165, 1205288), (168, 1183765), (210, 947012), (220, 903966), (231, 860920), (264, 753305), (280, 710259), (308, 645690), (330, 602644), (385, 516552), (420, 473506), (440, 451983), (462, 430460), (616, 322845), (660, 301322), (770, 258276), (840, 236753), (924, 215230), (1155, 172184), (1320, 150661), (1540, 129138), (1848, 107615), (2310, 86092), (3080, 64569), (4620, 43046), (9240, 21523)]