31086720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 256

約数和(自身を含む): 126316800

約数和(自身を除く): 95230080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 257, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 514, 540, 560, 576, 630, 640, 672, 720, 756, 771, 840, 864, 896, 945, 960, 1008, 1028, 1080, 1120, 1152, 1260, 1285, 1344, 1440, 1512, 1542, 1680, 1728, 1799, 1890, 1920, 2016, 2056, 2160, 2240, 2313, 2520, 2570, 2688, 2880, 3024, 3084, 3360, 3456, 3598, 3780, 3855, 4032, 4112, 4320, 4480, 4626, 5040, 5140, 5397, 5760, 6048, 6168, 6720, 6939, 7196, 7560, 7710, 8064, 8224, 8640, 8995, 9252, 10080, 10280, 10794, 11565, 12096, 12336, 13440, 13878, 14392, 15120, 15420, 16191, 16448, 17280, 17990, 18504, 20160, 20560, 21588, 23130, 24192, 24672, 26985, 27756, 28784, 30240, 30840, 32382, 32896, 34695, 35980, 37008, 40320, 41120, 43176, 46260, 48573, 49344, 53970, 55512, 57568, 60480, 61680, 64764, 69390, 71960, 74016, 80955, 82240, 86352, 92520, 97146, 98688, 107940, 111024, 115136, 120960, 123360, 129528, 138780, 143920, 148032, 161910, 164480, 172704, 185040, 194292, 215880, 222048, 230272, 242865, 246720, 259056, 277560, 287840, 296064, 323820, 345408, 370080, 388584, 431760, 444096, 485730, 493440, 518112, 555120, 575680, 647640, 690816, 740160, 777168, 863520, 888192, 971460, 1036224, 1110240, 1151360, 1295280, 1480320, 1554336, 1727040, 1942920, 2072448, 2220480, 2590560, 3108672, 3454080, 3885840, 4440960, 5181120, 6217344, 7771680, 10362240, 15543360, 31086720]

約数ペア:

[(1, 31086720), (2, 15543360), (3, 10362240), (4, 7771680), (5, 6217344), (6, 5181120), (7, 4440960), (8, 3885840), (9, 3454080), (10, 3108672), (12, 2590560), (14, 2220480), (15, 2072448), (16, 1942920), (18, 1727040), (20, 1554336), (21, 1480320), (24, 1295280), (27, 1151360), (28, 1110240), (30, 1036224), (32, 971460), (35, 888192), (36, 863520), (40, 777168), (42, 740160), (45, 690816), (48, 647640), (54, 575680), (56, 555120), (60, 518112), (63, 493440), (64, 485730), (70, 444096), (72, 431760), (80, 388584), (84, 370080), (90, 345408), (96, 323820), (105, 296064), (108, 287840), (112, 277560), (120, 259056), (126, 246720), (128, 242865), (135, 230272), (140, 222048), (144, 215880), (160, 194292), (168, 185040), (180, 172704), (189, 164480), (192, 161910), (210, 148032), (216, 143920), (224, 138780), (240, 129528), (252, 123360), (257, 120960), (270, 115136), (280, 111024), (288, 107940), (315, 98688), (320, 97146), (336, 92520), (360, 86352), (378, 82240), (384, 80955), (420, 74016), (432, 71960), (448, 69390), (480, 64764), (504, 61680), (514, 60480), (540, 57568), (560, 55512), (576, 53970), (630, 49344), (640, 48573), (672, 46260), (720, 43176), (756, 41120), (771, 40320), (840, 37008), (864, 35980), (896, 34695), (945, 32896), (960, 32382), (1008, 30840), (1028, 30240), (1080, 28784), (1120, 27756), (1152, 26985), (1260, 24672), (1285, 24192), (1344, 23130), (1440, 21588), (1512, 20560), (1542, 20160), (1680, 18504), (1728, 17990), (1799, 17280), (1890, 16448), (1920, 16191), (2016, 15420), (2056, 15120), (2160, 14392), (2240, 13878), (2313, 13440), (2520, 12336), (2570, 12096), (2688, 11565), (2880, 10794), (3024, 10280), (3084, 10080), (3360, 9252), (3456, 8995), (3598, 8640), (3780, 8224), (3855, 8064), (4032, 7710), (4112, 7560), (4320, 7196), (4480, 6939), (4626, 6720), (5040, 6168), (5140, 6048), (5397, 5760)]