81335040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 264902400

約数和(自身を除く): 183567360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 256, 295, 320, 354, 359, 384, 472, 480, 590, 640, 708, 718, 768, 885, 944, 960, 1077, 1180, 1280, 1416, 1436, 1770, 1795, 1888, 1920, 2154, 2360, 2832, 2872, 3540, 3590, 3776, 3840, 4308, 4720, 5385, 5664, 5744, 7080, 7180, 7552, 8616, 9440, 10770, 11328, 11488, 14160, 14360, 15104, 17232, 18880, 21181, 21540, 22656, 22976, 28320, 28720, 34464, 37760, 42362, 43080, 45312, 45952, 56640, 57440, 63543, 68928, 75520, 84724, 86160, 91904, 105905, 113280, 114880, 127086, 137856, 169448, 172320, 211810, 226560, 229760, 254172, 275712, 317715, 338896, 344640, 423620, 459520, 508344, 635430, 677792, 689280, 847240, 1016688, 1270860, 1355584, 1378560, 1694480, 2033376, 2541720, 2711168, 3388960, 4066752, 5083440, 5422336, 6777920, 8133504, 10166880, 13555840, 16267008, 20333760, 27111680, 40667520, 81335040]

約数ペア:

[(1, 81335040), (2, 40667520), (3, 27111680), (4, 20333760), (5, 16267008), (6, 13555840), (8, 10166880), (10, 8133504), (12, 6777920), (15, 5422336), (16, 5083440), (20, 4066752), (24, 3388960), (30, 2711168), (32, 2541720), (40, 2033376), (48, 1694480), (59, 1378560), (60, 1355584), (64, 1270860), (80, 1016688), (96, 847240), (118, 689280), (120, 677792), (128, 635430), (160, 508344), (177, 459520), (192, 423620), (236, 344640), (240, 338896), (256, 317715), (295, 275712), (320, 254172), (354, 229760), (359, 226560), (384, 211810), (472, 172320), (480, 169448), (590, 137856), (640, 127086), (708, 114880), (718, 113280), (768, 105905), (885, 91904), (944, 86160), (960, 84724), (1077, 75520), (1180, 68928), (1280, 63543), (1416, 57440), (1436, 56640), (1770, 45952), (1795, 45312), (1888, 43080), (1920, 42362), (2154, 37760), (2360, 34464), (2832, 28720), (2872, 28320), (3540, 22976), (3590, 22656), (3776, 21540), (3840, 21181), (4308, 18880), (4720, 17232), (5385, 15104), (5664, 14360), (5744, 14160), (7080, 11488), (7180, 11328), (7552, 10770), (8616, 9440)]