31121280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1801}}^1$

素因数の和:1829

約数の個数: 128

約数和(自身を含む): 110282400

約数和(自身を除く): 79161120

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1801, 1920, 2160, 2880, 3456, 3602, 4320, 5403, 5760, 7204, 8640, 9005, 10806, 14408, 16209, 17280, 18010, 21612, 27015, 28816, 32418, 36020, 43224, 48627, 54030, 57632, 64836, 72040, 81045, 86448, 97254, 108060, 115264, 129672, 144080, 162090, 172896, 194508, 216120, 230528, 243135, 259344, 288160, 324180, 345792, 389016, 432240, 486270, 518688, 576320, 648360, 691584, 778032, 864480, 972540, 1037376, 1152640, 1296720, 1556064, 1728960, 1945080, 2074752, 2593440, 3112128, 3457920, 3890160, 5186880, 6224256, 7780320, 10373760, 15560640, 31121280]

約数ペア:

[(1, 31121280), (2, 15560640), (3, 10373760), (4, 7780320), (5, 6224256), (6, 5186880), (8, 3890160), (9, 3457920), (10, 3112128), (12, 2593440), (15, 2074752), (16, 1945080), (18, 1728960), (20, 1556064), (24, 1296720), (27, 1152640), (30, 1037376), (32, 972540), (36, 864480), (40, 778032), (45, 691584), (48, 648360), (54, 576320), (60, 518688), (64, 486270), (72, 432240), (80, 389016), (90, 345792), (96, 324180), (108, 288160), (120, 259344), (128, 243135), (135, 230528), (144, 216120), (160, 194508), (180, 172896), (192, 162090), (216, 144080), (240, 129672), (270, 115264), (288, 108060), (320, 97254), (360, 86448), (384, 81045), (432, 72040), (480, 64836), (540, 57632), (576, 54030), (640, 48627), (720, 43224), (864, 36020), (960, 32418), (1080, 28816), (1152, 27015), (1440, 21612), (1728, 18010), (1801, 17280), (1920, 16209), (2160, 14408), (2880, 10806), (3456, 9005), (3602, 8640), (4320, 7204), (5403, 5760)]