31171680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21647}}^1$

素因数の和:21668

約数の個数: 72

約数和(自身を含む): 106378272

約数和(自身を除く): 75206592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21647, 43294, 64941, 86588, 108235, 129882, 173176, 194823, 216470, 259764, 324705, 346352, 389646, 432940, 519528, 649410, 692704, 779292, 865880, 974115, 1039056, 1298820, 1558584, 1731760, 1948230, 2078112, 2597640, 3117168, 3463520, 3896460, 5195280, 6234336, 7792920, 10390560, 15585840, 31171680]

約数ペア:

[(1, 31171680), (2, 15585840), (3, 10390560), (4, 7792920), (5, 6234336), (6, 5195280), (8, 3896460), (9, 3463520), (10, 3117168), (12, 2597640), (15, 2078112), (16, 1948230), (18, 1731760), (20, 1558584), (24, 1298820), (30, 1039056), (32, 974115), (36, 865880), (40, 779292), (45, 692704), (48, 649410), (60, 519528), (72, 432940), (80, 389646), (90, 346352), (96, 324705), (120, 259764), (144, 216470), (160, 194823), (180, 173176), (240, 129882), (288, 108235), (360, 86588), (480, 64941), (720, 43294), (1440, 21647)]