30654720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{887}}^1$

素因数の和:917

約数の個数: 144

約数和(自身を含む): 108904320

約数和(自身を除く): 78249600

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, 887, 960, 1080, 1152, 1280, 1440, 1728, 1774, 1920, 2160, 2304, 2661, 2880, 3456, 3548, 3840, 4320, 4435, 5322, 5760, 6912, 7096, 7983, 8640, 8870, 10644, 11520, 13305, 14192, 15966, 17280, 17740, 21288, 23949, 26610, 28384, 31932, 34560, 35480, 39915, 42576, 47898, 53220, 56768, 63864, 70960, 79830, 85152, 95796, 106440, 113536, 119745, 127728, 141920, 159660, 170304, 191592, 212880, 227072, 239490, 255456, 283840, 319320, 340608, 383184, 425760, 478980, 510912, 567680, 638640, 681216, 766368, 851520, 957960, 1021824, 1135360, 1277280, 1532736, 1703040, 1915920, 2043648, 2554560, 3065472, 3406080, 3831840, 5109120, 6130944, 7663680, 10218240, 15327360, 30654720]

約数ペア:

[(1, 30654720), (2, 15327360), (3, 10218240), (4, 7663680), (5, 6130944), (6, 5109120), (8, 3831840), (9, 3406080), (10, 3065472), (12, 2554560), (15, 2043648), (16, 1915920), (18, 1703040), (20, 1532736), (24, 1277280), (27, 1135360), (30, 1021824), (32, 957960), (36, 851520), (40, 766368), (45, 681216), (48, 638640), (54, 567680), (60, 510912), (64, 478980), (72, 425760), (80, 383184), (90, 340608), (96, 319320), (108, 283840), (120, 255456), (128, 239490), (135, 227072), (144, 212880), (160, 191592), (180, 170304), (192, 159660), (216, 141920), (240, 127728), (256, 119745), (270, 113536), (288, 106440), (320, 95796), (360, 85152), (384, 79830), (432, 70960), (480, 63864), (540, 56768), (576, 53220), (640, 47898), (720, 42576), (768, 39915), (864, 35480), (887, 34560), (960, 31932), (1080, 28384), (1152, 26610), (1280, 23949), (1440, 21288), (1728, 17740), (1774, 17280), (1920, 15966), (2160, 14192), (2304, 13305), (2661, 11520), (2880, 10644), (3456, 8870), (3548, 8640), (3840, 7983), (4320, 7096), (4435, 6912), (5322, 5760)]