18606720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:914

約数の個数: 128

約数和(自身を含む): 64774080

約数和(自身を除く): 46167360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 881, 960, 1056, 1320, 1408, 1760, 1762, 1920, 2112, 2640, 2643, 3520, 3524, 4224, 4405, 5280, 5286, 7040, 7048, 8810, 9691, 10560, 10572, 13215, 14096, 17620, 19382, 21120, 21144, 26430, 28192, 29073, 35240, 38764, 42288, 48455, 52860, 56384, 58146, 70480, 77528, 84576, 96910, 105720, 112768, 116292, 140960, 145365, 155056, 169152, 193820, 211440, 232584, 281920, 290730, 310112, 338304, 387640, 422880, 465168, 563840, 581460, 620224, 775280, 845760, 930336, 1162920, 1240448, 1550560, 1691520, 1860672, 2325840, 3101120, 3721344, 4651680, 6202240, 9303360, 18606720]

約数ペア:

[(1, 18606720), (2, 9303360), (3, 6202240), (4, 4651680), (5, 3721344), (6, 3101120), (8, 2325840), (10, 1860672), (11, 1691520), (12, 1550560), (15, 1240448), (16, 1162920), (20, 930336), (22, 845760), (24, 775280), (30, 620224), (32, 581460), (33, 563840), (40, 465168), (44, 422880), (48, 387640), (55, 338304), (60, 310112), (64, 290730), (66, 281920), (80, 232584), (88, 211440), (96, 193820), (110, 169152), (120, 155056), (128, 145365), (132, 140960), (160, 116292), (165, 112768), (176, 105720), (192, 96910), (220, 84576), (240, 77528), (264, 70480), (320, 58146), (330, 56384), (352, 52860), (384, 48455), (440, 42288), (480, 38764), (528, 35240), (640, 29073), (660, 28192), (704, 26430), (880, 21144), (881, 21120), (960, 19382), (1056, 17620), (1320, 14096), (1408, 13215), (1760, 10572), (1762, 10560), (1920, 9691), (2112, 8810), (2640, 7048), (2643, 7040), (3520, 5286), (3524, 5280), (4224, 4405)]