69771520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 206035200

約数和(自身を除く): 136263680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 599, 640, 728, 832, 896, 910, 1040, 1120, 1198, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2396, 2912, 2995, 3328, 3640, 4160, 4193, 4480, 4792, 5824, 5990, 7280, 7787, 8320, 8386, 8960, 9584, 11648, 11980, 14560, 15574, 16640, 16772, 19168, 20965, 23296, 23960, 29120, 31148, 33544, 38336, 38935, 41930, 47920, 54509, 58240, 62296, 67088, 76672, 77870, 83860, 95840, 109018, 116480, 124592, 134176, 153344, 155740, 167720, 191680, 218036, 249184, 268352, 272545, 311480, 335440, 383360, 436072, 498368, 536704, 545090, 622960, 670880, 766720, 872144, 996736, 1073408, 1090180, 1245920, 1341760, 1744288, 1993472, 2180360, 2491840, 2683520, 3488576, 4360720, 4983680, 5367040, 6977152, 8721440, 9967360, 13954304, 17442880, 34885760, 69771520]

約数ペア:

[(1, 69771520), (2, 34885760), (4, 17442880), (5, 13954304), (7, 9967360), (8, 8721440), (10, 6977152), (13, 5367040), (14, 4983680), (16, 4360720), (20, 3488576), (26, 2683520), (28, 2491840), (32, 2180360), (35, 1993472), (40, 1744288), (52, 1341760), (56, 1245920), (64, 1090180), (65, 1073408), (70, 996736), (80, 872144), (91, 766720), (104, 670880), (112, 622960), (128, 545090), (130, 536704), (140, 498368), (160, 436072), (182, 383360), (208, 335440), (224, 311480), (256, 272545), (260, 268352), (280, 249184), (320, 218036), (364, 191680), (416, 167720), (448, 155740), (455, 153344), (520, 134176), (560, 124592), (599, 116480), (640, 109018), (728, 95840), (832, 83860), (896, 77870), (910, 76672), (1040, 67088), (1120, 62296), (1198, 58240), (1280, 54509), (1456, 47920), (1664, 41930), (1792, 38935), (1820, 38336), (2080, 33544), (2240, 31148), (2396, 29120), (2912, 23960), (2995, 23296), (3328, 20965), (3640, 19168), (4160, 16772), (4193, 16640), (4480, 15574), (4792, 14560), (5824, 11980), (5990, 11648), (7280, 9584), (7787, 8960), (8320, 8386)]