138689280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{4013}}^1$

素因数の和:4043

約数の個数: 144

約数和(自身を含む): 492276960

約数和(自身を除く): 353587680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4013, 4320, 5760, 6912, 8026, 8640, 11520, 12039, 16052, 17280, 20065, 24078, 32104, 34560, 36117, 40130, 48156, 60195, 64208, 72234, 80260, 96312, 108351, 120390, 128416, 144468, 160520, 180585, 192624, 216702, 240780, 256832, 288936, 321040, 361170, 385248, 433404, 481560, 513664, 541755, 577872, 642080, 722340, 770496, 866808, 963120, 1027328, 1083510, 1155744, 1284160, 1444680, 1540992, 1733616, 1926240, 2167020, 2311488, 2568320, 2889360, 3081984, 3467232, 3852480, 4334040, 4622976, 5136640, 5778720, 6934464, 7704960, 8668080, 9245952, 11557440, 13868928, 15409920, 17336160, 23114880, 27737856, 34672320, 46229760, 69344640, 138689280]

約数ペア:

[(1, 138689280), (2, 69344640), (3, 46229760), (4, 34672320), (5, 27737856), (6, 23114880), (8, 17336160), (9, 15409920), (10, 13868928), (12, 11557440), (15, 9245952), (16, 8668080), (18, 7704960), (20, 6934464), (24, 5778720), (27, 5136640), (30, 4622976), (32, 4334040), (36, 3852480), (40, 3467232), (45, 3081984), (48, 2889360), (54, 2568320), (60, 2311488), (64, 2167020), (72, 1926240), (80, 1733616), (90, 1540992), (96, 1444680), (108, 1284160), (120, 1155744), (128, 1083510), (135, 1027328), (144, 963120), (160, 866808), (180, 770496), (192, 722340), (216, 642080), (240, 577872), (256, 541755), (270, 513664), (288, 481560), (320, 433404), (360, 385248), (384, 361170), (432, 321040), (480, 288936), (540, 256832), (576, 240780), (640, 216702), (720, 192624), (768, 180585), (864, 160520), (960, 144468), (1080, 128416), (1152, 120390), (1280, 108351), (1440, 96312), (1728, 80260), (1920, 72234), (2160, 64208), (2304, 60195), (2880, 48156), (3456, 40130), (3840, 36117), (4013, 34560), (4320, 32104), (5760, 24078), (6912, 20065), (8026, 17280), (8640, 16052), (11520, 12039)]