289415040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:820

約数の個数: 128

約数和(自身を含む): 927400320

約数和(自身を除く): 637985280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 307, 320, 384, 480, 491, 614, 640, 921, 960, 982, 1228, 1473, 1535, 1842, 1920, 1964, 2455, 2456, 2946, 3070, 3684, 3928, 4605, 4910, 4912, 5892, 6140, 7365, 7368, 7856, 9210, 9820, 9824, 11784, 12280, 14730, 14736, 15712, 18420, 19640, 19648, 23568, 24560, 29460, 29472, 31424, 36840, 39280, 39296, 47136, 49120, 58920, 58944, 62848, 73680, 78560, 94272, 98240, 117840, 117888, 147360, 150737, 157120, 188544, 196480, 235680, 294720, 301474, 314240, 452211, 471360, 589440, 602948, 753685, 904422, 942720, 1205896, 1507370, 1808844, 2261055, 2411792, 3014740, 3617688, 4522110, 4823584, 6029480, 7235376, 9044220, 9647168, 12058960, 14470752, 18088440, 19294336, 24117920, 28941504, 36176880, 48235840, 57883008, 72353760, 96471680, 144707520, 289415040]

約数ペア:

[(1, 289415040), (2, 144707520), (3, 96471680), (4, 72353760), (5, 57883008), (6, 48235840), (8, 36176880), (10, 28941504), (12, 24117920), (15, 19294336), (16, 18088440), (20, 14470752), (24, 12058960), (30, 9647168), (32, 9044220), (40, 7235376), (48, 6029480), (60, 4823584), (64, 4522110), (80, 3617688), (96, 3014740), (120, 2411792), (128, 2261055), (160, 1808844), (192, 1507370), (240, 1205896), (307, 942720), (320, 904422), (384, 753685), (480, 602948), (491, 589440), (614, 471360), (640, 452211), (921, 314240), (960, 301474), (982, 294720), (1228, 235680), (1473, 196480), (1535, 188544), (1842, 157120), (1920, 150737), (1964, 147360), (2455, 117888), (2456, 117840), (2946, 98240), (3070, 94272), (3684, 78560), (3928, 73680), (4605, 62848), (4910, 58944), (4912, 58920), (5892, 49120), (6140, 47136), (7365, 39296), (7368, 39280), (7856, 36840), (9210, 31424), (9820, 29472), (9824, 29460), (11784, 24560), (12280, 23568), (14730, 19648), (14736, 19640), (15712, 18420)]