31291680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 115153920

約数和(自身を除く): 83862240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 96, 105, 112, 120, 134, 139, 140, 160, 168, 201, 210, 224, 240, 268, 278, 280, 335, 336, 402, 417, 420, 469, 480, 536, 556, 560, 670, 672, 695, 804, 834, 840, 938, 973, 1005, 1072, 1112, 1120, 1340, 1390, 1407, 1608, 1668, 1680, 1876, 1946, 2010, 2085, 2144, 2224, 2345, 2680, 2780, 2814, 2919, 3216, 3336, 3360, 3752, 3892, 4020, 4170, 4448, 4690, 4865, 5360, 5560, 5628, 5838, 6432, 6672, 7035, 7504, 7784, 8040, 8340, 9313, 9380, 9730, 10720, 11120, 11256, 11676, 13344, 14070, 14595, 15008, 15568, 16080, 16680, 18626, 18760, 19460, 22240, 22512, 23352, 27939, 28140, 29190, 31136, 32160, 33360, 37252, 37520, 38920, 45024, 46565, 46704, 55878, 56280, 58380, 65191, 66720, 74504, 75040, 77840, 93130, 93408, 111756, 112560, 116760, 130382, 139695, 149008, 155680, 186260, 195573, 223512, 225120, 233520, 260764, 279390, 298016, 325955, 372520, 391146, 447024, 467040, 521528, 558780, 651910, 745040, 782292, 894048, 977865, 1043056, 1117560, 1303820, 1490080, 1564584, 1955730, 2086112, 2235120, 2607640, 3129168, 3911460, 4470240, 5215280, 6258336, 7822920, 10430560, 15645840, 31291680]

約数ペア:

[(1, 31291680), (2, 15645840), (3, 10430560), (4, 7822920), (5, 6258336), (6, 5215280), (7, 4470240), (8, 3911460), (10, 3129168), (12, 2607640), (14, 2235120), (15, 2086112), (16, 1955730), (20, 1564584), (21, 1490080), (24, 1303820), (28, 1117560), (30, 1043056), (32, 977865), (35, 894048), (40, 782292), (42, 745040), (48, 651910), (56, 558780), (60, 521528), (67, 467040), (70, 447024), (80, 391146), (84, 372520), (96, 325955), (105, 298016), (112, 279390), (120, 260764), (134, 233520), (139, 225120), (140, 223512), (160, 195573), (168, 186260), (201, 155680), (210, 149008), (224, 139695), (240, 130382), (268, 116760), (278, 112560), (280, 111756), (335, 93408), (336, 93130), (402, 77840), (417, 75040), (420, 74504), (469, 66720), (480, 65191), (536, 58380), (556, 56280), (560, 55878), (670, 46704), (672, 46565), (695, 45024), (804, 38920), (834, 37520), (840, 37252), (938, 33360), (973, 32160), (1005, 31136), (1072, 29190), (1112, 28140), (1120, 27939), (1340, 23352), (1390, 22512), (1407, 22240), (1608, 19460), (1668, 18760), (1680, 18626), (1876, 16680), (1946, 16080), (2010, 15568), (2085, 15008), (2144, 14595), (2224, 14070), (2345, 13344), (2680, 11676), (2780, 11256), (2814, 11120), (2919, 10720), (3216, 9730), (3336, 9380), (3360, 9313), (3752, 8340), (3892, 8040), (4020, 7784), (4170, 7504), (4448, 7035), (4690, 6672), (4865, 6432), (5360, 5838), (5560, 5628)]