28626480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 160

約数和(自身を含む): 102225600

約数和(自身を除く): 73599120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 457, 464, 522, 540, 580, 696, 720, 783, 870, 914, 1044, 1080, 1160, 1305, 1371, 1392, 1566, 1740, 1828, 2088, 2160, 2285, 2320, 2610, 2742, 3132, 3480, 3656, 3915, 4113, 4176, 4570, 5220, 5484, 6264, 6855, 6960, 7312, 7830, 8226, 9140, 10440, 10968, 12339, 12528, 13253, 13710, 15660, 16452, 18280, 20565, 20880, 21936, 24678, 26506, 27420, 31320, 32904, 36560, 39759, 41130, 49356, 53012, 54840, 61695, 62640, 65808, 66265, 79518, 82260, 98712, 106024, 109680, 119277, 123390, 132530, 159036, 164520, 197424, 198795, 212048, 238554, 246780, 265060, 318072, 329040, 357831, 397590, 477108, 493560, 530120, 596385, 636144, 715662, 795180, 954216, 987120, 1060240, 1192770, 1431324, 1590360, 1789155, 1908432, 2385540, 2862648, 3180720, 3578310, 4771080, 5725296, 7156620, 9542160, 14313240, 28626480]

約数ペア:

[(1, 28626480), (2, 14313240), (3, 9542160), (4, 7156620), (5, 5725296), (6, 4771080), (8, 3578310), (9, 3180720), (10, 2862648), (12, 2385540), (15, 1908432), (16, 1789155), (18, 1590360), (20, 1431324), (24, 1192770), (27, 1060240), (29, 987120), (30, 954216), (36, 795180), (40, 715662), (45, 636144), (48, 596385), (54, 530120), (58, 493560), (60, 477108), (72, 397590), (80, 357831), (87, 329040), (90, 318072), (108, 265060), (116, 246780), (120, 238554), (135, 212048), (144, 198795), (145, 197424), (174, 164520), (180, 159036), (216, 132530), (232, 123390), (240, 119277), (261, 109680), (270, 106024), (290, 98712), (348, 82260), (360, 79518), (432, 66265), (435, 65808), (457, 62640), (464, 61695), (522, 54840), (540, 53012), (580, 49356), (696, 41130), (720, 39759), (783, 36560), (870, 32904), (914, 31320), (1044, 27420), (1080, 26506), (1160, 24678), (1305, 21936), (1371, 20880), (1392, 20565), (1566, 18280), (1740, 16452), (1828, 15660), (2088, 13710), (2160, 13253), (2285, 12528), (2320, 12339), (2610, 10968), (2742, 10440), (3132, 9140), (3480, 8226), (3656, 7830), (3915, 7312), (4113, 6960), (4176, 6855), (4570, 6264), (5220, 5484)]