215567856

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 180

約数和(自身を含む): 710079552

約数和(自身を除く): 494511696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 137, 144, 147, 168, 196, 223, 252, 274, 294, 336, 392, 411, 441, 446, 504, 548, 588, 669, 784, 822, 882, 892, 959, 1008, 1096, 1176, 1233, 1338, 1561, 1644, 1764, 1784, 1918, 2007, 2192, 2352, 2466, 2676, 2877, 3122, 3288, 3528, 3568, 3836, 4014, 4683, 4932, 5352, 5754, 6244, 6576, 6713, 7056, 7672, 8028, 8631, 9366, 9864, 10704, 10927, 11508, 12488, 13426, 14049, 15344, 16056, 17262, 18732, 19728, 20139, 21854, 23016, 24976, 26852, 28098, 30551, 32112, 32781, 34524, 37464, 40278, 43708, 46032, 53704, 56196, 60417, 61102, 65562, 69048, 74928, 80556, 87416, 91653, 98343, 107408, 112392, 120834, 122204, 131124, 138096, 161112, 174832, 183306, 196686, 213857, 224784, 241668, 244408, 262248, 274959, 322224, 366612, 393372, 427714, 483336, 488816, 524496, 549918, 641571, 733224, 786744, 855428, 966672, 1099836, 1283142, 1466448, 1496999, 1573488, 1710856, 1924713, 2199672, 2566284, 2993998, 3421712, 3849426, 4399344, 4490997, 5132568, 5987996, 7698852, 8981994, 10265136, 11975992, 13472991, 15397704, 17963988, 23951984, 26945982, 30795408, 35927976, 53891964, 71855952, 107783928, 215567856]

約数ペア:

[(1, 215567856), (2, 107783928), (3, 71855952), (4, 53891964), (6, 35927976), (7, 30795408), (8, 26945982), (9, 23951984), (12, 17963988), (14, 15397704), (16, 13472991), (18, 11975992), (21, 10265136), (24, 8981994), (28, 7698852), (36, 5987996), (42, 5132568), (48, 4490997), (49, 4399344), (56, 3849426), (63, 3421712), (72, 2993998), (84, 2566284), (98, 2199672), (112, 1924713), (126, 1710856), (137, 1573488), (144, 1496999), (147, 1466448), (168, 1283142), (196, 1099836), (223, 966672), (252, 855428), (274, 786744), (294, 733224), (336, 641571), (392, 549918), (411, 524496), (441, 488816), (446, 483336), (504, 427714), (548, 393372), (588, 366612), (669, 322224), (784, 274959), (822, 262248), (882, 244408), (892, 241668), (959, 224784), (1008, 213857), (1096, 196686), (1176, 183306), (1233, 174832), (1338, 161112), (1561, 138096), (1644, 131124), (1764, 122204), (1784, 120834), (1918, 112392), (2007, 107408), (2192, 98343), (2352, 91653), (2466, 87416), (2676, 80556), (2877, 74928), (3122, 69048), (3288, 65562), (3528, 61102), (3568, 60417), (3836, 56196), (4014, 53704), (4683, 46032), (4932, 43708), (5352, 40278), (5754, 37464), (6244, 34524), (6576, 32781), (6713, 32112), (7056, 30551), (7672, 28098), (8028, 26852), (8631, 24976), (9366, 23016), (9864, 21854), (10704, 20139), (10927, 19728), (11508, 18732), (12488, 17262), (13426, 16056), (14049, 15344)]