81584640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3541}}^1$

素因数の和:3570

約数の個数: 120

約数和(自身を含む): 282630348

約数和(自身を除く): 201045708

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3541, 3840, 4608, 5760, 7082, 7680, 10623, 11520, 14164, 17705, 21246, 23040, 28328, 31869, 35410, 42492, 53115, 56656, 63738, 70820, 84984, 106230, 113312, 127476, 141640, 159345, 169968, 212460, 226624, 254952, 283280, 318690, 339936, 424920, 453248, 509904, 566560, 637380, 679872, 849840, 906496, 1019808, 1133120, 1274760, 1359744, 1699680, 1812992, 2039616, 2266240, 2549520, 2719488, 3399360, 4079232, 4532480, 5099040, 5438976, 6798720, 8158464, 9064960, 10198080, 13597440, 16316928, 20396160, 27194880, 40792320, 81584640]

約数ペア:

[(1, 81584640), (2, 40792320), (3, 27194880), (4, 20396160), (5, 16316928), (6, 13597440), (8, 10198080), (9, 9064960), (10, 8158464), (12, 6798720), (15, 5438976), (16, 5099040), (18, 4532480), (20, 4079232), (24, 3399360), (30, 2719488), (32, 2549520), (36, 2266240), (40, 2039616), (45, 1812992), (48, 1699680), (60, 1359744), (64, 1274760), (72, 1133120), (80, 1019808), (90, 906496), (96, 849840), (120, 679872), (128, 637380), (144, 566560), (160, 509904), (180, 453248), (192, 424920), (240, 339936), (256, 318690), (288, 283280), (320, 254952), (360, 226624), (384, 212460), (480, 169968), (512, 159345), (576, 141640), (640, 127476), (720, 113312), (768, 106230), (960, 84984), (1152, 70820), (1280, 63738), (1440, 56656), (1536, 53115), (1920, 42492), (2304, 35410), (2560, 31869), (2880, 28328), (3541, 23040), (3840, 21246), (4608, 17705), (5760, 14164), (7082, 11520), (7680, 10623)]