28105920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{3253}}^1$

素因数の和:3279

約数の個数: 112

約数和(自身を含む): 99181920

約数和(自身を除く): 71076000

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, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 3253, 4320, 6506, 8640, 9759, 13012, 16265, 19518, 26024, 29277, 32530, 39036, 48795, 52048, 58554, 65060, 78072, 87831, 97590, 104096, 117108, 130120, 146385, 156144, 175662, 195180, 208192, 234216, 260240, 292770, 312288, 351324, 390360, 439155, 468432, 520480, 585540, 624576, 702648, 780720, 878310, 936864, 1040960, 1171080, 1405296, 1561440, 1756620, 1873728, 2342160, 2810592, 3122880, 3513240, 4684320, 5621184, 7026480, 9368640, 14052960, 28105920]

約数ペア:

[(1, 28105920), (2, 14052960), (3, 9368640), (4, 7026480), (5, 5621184), (6, 4684320), (8, 3513240), (9, 3122880), (10, 2810592), (12, 2342160), (15, 1873728), (16, 1756620), (18, 1561440), (20, 1405296), (24, 1171080), (27, 1040960), (30, 936864), (32, 878310), (36, 780720), (40, 702648), (45, 624576), (48, 585540), (54, 520480), (60, 468432), (64, 439155), (72, 390360), (80, 351324), (90, 312288), (96, 292770), (108, 260240), (120, 234216), (135, 208192), (144, 195180), (160, 175662), (180, 156144), (192, 146385), (216, 130120), (240, 117108), (270, 104096), (288, 97590), (320, 87831), (360, 78072), (432, 65060), (480, 58554), (540, 52048), (576, 48795), (720, 39036), (864, 32530), (960, 29277), (1080, 26024), (1440, 19518), (1728, 16265), (2160, 13012), (2880, 9759), (3253, 8640), (4320, 6506)]